Daemon fails to auto-import after git pull updates JSONL

After git pull updates .beads/issues.jsonl, daemon doesn't automatically re-import changes, causing stale data to be shown until next sync cycle (up to 5 minutes).

Reproduction:
1. Repo A: Close issues, export, commit, push
2. Repo B: git pull (successfully updates .beads/issues.jsonl)
3. bd show <issue> shows OLD status from daemon's SQLite db
4. JSONL on disk has correct new status

Root cause: Daemon sync cycle runs on timer (5min). When user manually runs git pull, daemon doesn't detect JSONL was updated externally and continues serving stale data from SQLite.

Impact:
- High for AI agents using beads in git workflows
- Breaks fundamental git-as-source-of-truth model
- Confusing UX: git log shows commit, bd shows old state
- Data consistency issues between JSONL and daemon

See WYVERN_SYNC_ISSUE.md for full analysis.

**Fixed in v0.21.2!**

The daemon auto-import is fully implemented:
- internal/autoimport package handles staleness detection
- internal/importer package provides shared import logic (used by both CLI and daemon)
- daemon's checkAndAutoImportIfStale() calls autoimport.AutoImportIfNewer()
- importFunc uses importer.ImportIssues() with auto-rename enabled
- All tests passing

The critical data corruption bug is FIXED:
✅ After git pull, daemon detects JSONL is newer (mtime check)
✅ Daemon auto-imports before serving requests
✅ No stale data served
✅ No data loss in multi-agent workflows

Verification needed: Run two-repo test to confirm end-to-end behavior.


Test database naming


Add docs/architecture/event_driven.md

Copy event_driven_daemon.md into docs/ folder. Add to documentation index.


Use stable repo identifiers instead of full paths in metadata keys

## Problem
bd-ar2.2 uses full absolute paths as metadata key suffixes:
```go
updateExportMetadata(exportCtx, store, path, log, path)
// Creates: last_import_hash:/Users/stevey/src/cino/beads/repo1/.beads/issues.jsonl
```

## Issues
1. Absolute paths differ across machines/clones
2. Keys are very long
3. If user moves repo or clones to different path, metadata becomes orphaned
4. Metadata won't be portable across team members

## Better Approach
Use source_repo identifiers from multi-repo config (e.g., ".", "../frontend"):
```go
// Get mapping of jsonl_path -> source_repo identifier
for _, path := range multiRepoPaths {
    repoKey := getRepoKeyForPath(path)  // e.g., ".", "../frontend"
    updateExportMetadata(exportCtx, store, path, log, repoKey)
}
```

This creates stable keys like:
- `last_import_hash:.`
- `last_import_hash:../frontend`

## Related
Depends on bd-ar2.10 (hasJSONLChanged update)


bd-hv01: Three full JSONL reads on every sync (performance)

Problem: computeAcceptedDeletions reads three JSONL files completely into memory (base, left, merged). For 1000 issues at 1KB each, this is 3MB read and 3000 JSON parse operations.

Impact: Acceptable now (~20-35ms overhead) but will be slow for large repos (10k+ issues).

Possible optimizations: single-pass streaming, memory-mapped files, binary format, incremental snapshots.

Files: cmd/bd/deletion_tracking.go:101-208


Add test coverage for internal/autoimport package


Add concurrent import race condition tests

Currently no tests verify behavior when multiple clones import simultaneously with external_ref matching.

Scenarios to test:
1. Two clones import same external_ref update at same time
2. Clone A imports while Clone B updates same issue
3. Verify transaction isolation prevents corruption
4. Document expected behavior (last-write-wins vs timestamp-based)

Related: bd-1022
Files: internal/importer/external_ref_test.go


Code review bd-loka implementation


Update docs with multi-repo patterns

Update AGENTS.md, README.md, QUICKSTART.md with multi-repo patterns. Document: config options, routing behavior, backward compatibility, troubleshooting, best practices.


bd init creates nested .beads directories

bd init sometimes creates .beads/.beads/ nested directories, which should never happen. This occurs fairly often and can cause confusion about which .beads directory is active. Need to add validation to detect if already inside a .beads directory and either error or use the parent .beads location.


Implement clone-scoped ID allocation to prevent N-way collisions

## Problem
Current ID allocation uses per-clone atomic counters (issue_counters table) that sync based on local database state. In N-way collision scenarios:
- Clone B sees {test-1} locally, allocates test-2
- Clone D sees {test-1, test-2, test-3} locally, allocates test-4
- When same content gets assigned test-2 and test-4, convergence fails

Root cause: Each clone independently allocates IDs without global coordination, leading to overlapping assignments for the same content.

## Solution
Add clone UUID to ID allocation to make every ID globally unique:

**Current format:** `test-1`, `test-2`, `test-3`
**New format:** `test-1-a7b3`, `test-2-a7b3`, `test-3-c4d9`

Where suffix is first 4 chars of clone UUID.

## Implementation

### 1. Add clone_identity table
```sql
CREATE TABLE clone_identity (
    clone_uuid TEXT PRIMARY KEY,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);
```

### 2. Modify getNextIDForPrefix()
```go
func (s *SQLiteStorage) getNextIDForPrefix(ctx context.Context, prefix string) (string, error) {
    cloneUUID := s.getOrCreateCloneUUID(ctx)
    shortUUID := cloneUUID[:4]

    nextNum := s.getNextCounterForPrefix(ctx, prefix)
    return fmt.Sprintf("%s-%d-%s", prefix, nextNum, shortUUID), nil
}
```

### 3. Update ID parsing logic
All places that parse IDs (utils.ExtractIssueNumber, etc.) need to handle new format.

### 4. Migration strategy
- Existing IDs remain unchanged (no suffix)
- New IDs get clone suffix automatically
- Display layer can hide suffix in UI: `bd-cb64c226.3-a7b3` → `#42`

## Benefits
- **Zero collision risk**: Same content in different clones gets different IDs
- **Maintains readability**: Still sequential numbering within clone
- **No coordination needed**: Works offline, no central authority
- **Scales to 100+ clones**: 4-char hex = 65,536 unique clones

## Concerns
- ID format change may break existing integrations
- Need migration path for existing databases
- Display logic needs update to hide/show suffixes appropriately

## Success Criteria
- 10+ clone collision test passes without failures
- Existing issues continue to work (backward compatibility)
- Documentation updated with new ID format
- Migration guide for v1.x → v2.x

## Timeline
Medium-term (v1.1-v1.2), 2-3 weeks implementation

## References
- Related to bd-0dcea000 (immediate fix)
- See beads_nway_test.go for failing N-way tests


Show dependency status in bd show output

When bd show displays dependencies and dependents, include their status (open/closed/in_progress/blocked) for quick progress tracking. Improves context rebuilding and planning.


AI-supervised database migrations for safer schema evolution

## Problem

Database migrations can lose user data through edge cases that are hard to anticipate (e.g., GH #201 where bd migrate failed to set issue_prefix, or bd-d355a07d false positive data loss warnings). Since beads is designed to be run by AI agents, we should leverage AI to make migrations safer.

## Current State

Migrations run blindly with:
- No pre-flight validation
- No data integrity verification
- No rollback on failure
- Limited post-migration testing

Recent issues:
- GH #201: Migration didn't set issue_prefix config, breaking commands
- bd-d355a07d: False positive "data loss" warnings on collision resolution
- Users reported migration data loss (fixed but broader problem remains)

## Proposal: AI-Supervised Migration Framework

Use AI to supervise migrations through structured verification:

### 1. Pre-Migration Analysis
- AI reads migration code and current schema
- Identifies potential data loss scenarios
- Generates validation queries to verify assumptions
- Creates snapshot queries for before/after comparison

### 2. Migration Execution
- Take database backup/snapshot
- Run validation queries (pre-state)
- Execute migration in transaction
- Run validation queries (post-state)

### 3. Post-Migration Verification
- AI compares pre/post snapshots
- Verifies data integrity invariants
- Checks for unexpected data loss
- Validates config completeness (like issue_prefix)

### 4. Rollback on Anomalies
- If AI detects data loss, rollback transaction
- Present human-readable error report
- Suggest fix before retrying

## Example Flow

```
$ bd migrate

→ Analyzing migration plan...
→ AI identified 3 potential data loss scenarios
→ Generating validation queries...
→ Creating pre-migration snapshot...
→ Running migration in transaction...
→ Verifying post-migration state...
✓ All 247 issues accounted for
✓ Config table complete (issue_prefix: "mcp")
✓ Dependencies intact (342 relationships verified)
→ Migration successful!
```

If something goes wrong:
```
$ bd migrate

→ Analyzing migration plan...
→ AI identified issue: Missing issue_prefix config after migration
→ Recommendation: Add prefix detection step
→ Aborting migration - database unchanged
```

## Implementation Ideas

### A. Migration Validator Tool
Create `bd migrate --validate` that:
- Simulates migration on copy of database
- Uses AI to verify data integrity
- Reports potential issues before real migration

### B. Migration Test Generator
AI generates test cases for migrations:
- Edge cases (empty DB, large DB, missing config)
- Data integrity checks
- Regression tests

### C. Migration Invariants
Define invariants that AI checks:
- Issue count should not decrease (unless collision resolution)
- All required config keys present
- Foreign key relationships intact
- No orphaned dependencies

### D. Self-Healing Migrations
AI detects incomplete migrations and suggests fixes:
- Missing config values (like GH #201)
- Orphaned data
- Index inconsistencies

## Benefits

1. **Catch edge cases**: AI explores scenarios humans miss
2. **Self-documenting**: AI explains what migration does
3. **Agent-friendly**: Agents can run migrations confidently
4. **Fewer rollbacks**: Detect issues before committing
5. **Better testing**: AI generates comprehensive test suites

## Open Questions

1. Which AI model? (Fast: Haiku, Thorough: Sonnet/GPT-4)
2. How to balance safety vs migration speed?
3. Should AI validation be required or optional?
4. How to handle offline scenarios (no API access)?
5. What invariants should always be checked?

## Related Work

- bd-b245: Migration registry (makes migrations introspectable)
- GH #201: issue_prefix migration bug (motivating example)
- bd-d355a07d: False positive data loss warnings

## Progress

### ✅ Phase 1: Migration Invariants (COMPLETED)

**Implemented:**
- Created internal/storage/sqlite/migration_invariants.go with 3 invariants
- Updated RunMigrations() to verify invariants after migrations
- All tests pass ✓

### ✅ Phase 2: Inspection Tools (COMPLETED & PUSHED)

**Commit:** 1abe4e7 - "Add migration inspection tools for AI agents (bd-627d Phase 2)"

**Implemented:**
1. ✅ bd migrate --inspect --json - Shows migration plan
2. ✅ bd info --schema --json - Returns schema details
3. ✅ Migration warnings system
4. ✅ Documentation updated in AGENTS.md
5. ✅ All tests pass

### ✅ Phase 3: MCP Tools (COMPLETED & PUSHED)

**Commit:** 2493693 - "Add MCP tools for migration inspection (bd-627d Phase 3)"

**Implemented:**
1. ✅ inspect_migration(workspace_root) tool in beads-mcp
2. ✅ get_schema_info(workspace_root) tool in beads-mcp
3. ✅ Abstract methods in BdClientBase
4. ✅ CLI client implementations
5. ✅ All tests pass

**All phases complete!** Migration inspection fully integrated into MCP server.


Update Nix flake Go modules hash


Import validation falsely reports data loss on collision resolution

## Problem

Post-import validation reports 'data loss detected!' when import count reduces due to legitimate collision resolution.

## Example

```
Import complete: 1 created, 8 updated, 142 unchanged, 19 skipped, 1 issues remapped
Post-import validation failed: import reduced issue count: 165 → 164 (data loss detected!)
```

This was actually successful collision resolution (bd-70419816 duplicated → remapped to-70419816), not data loss.

## Impact

- False alarms waste investigation time
- Undermines confidence in import validation
- Confuses users/agents about sync health

## Solution

Improve validation to distinguish:
- Collision-resolution merges (expected count reduction)
- Actual data loss (unexpected disappearance)

Track remapped issue count and adjust expected post-import count accordingly.


Test issue 0


Refactor daemon.go into internal/daemonrunner

Extract daemon runtime from daemon.go (1,565 lines) into internal/daemonrunner with focused modules: config.go, daemon.go, process.go, rpc_server.go, sync.go, git.go. Keep cobra command thin.


Add programmatic tip injection API

Allow tips to be programmatically injected at runtime based on detected conditions. This enables dynamic tips (not just pre-defined ones) to be shown with custom priority and frequency.


Add error handling guidance for export metadata update failures

## Problem
The bd-ymj fix treats all metadata update failures as warnings:

```go
if err := store.SetMetadata(ctx, "last_import_hash", currentHash); err != nil {
    log.log("Warning: failed to update last_import_hash: %v", err)
}
```

But if metadata updates fail, the NEXT export will fail with "JSONL content has changed since last import".

## Questions
1. Should metadata failures be critical (return error)?
2. Should we implement retry logic?
3. Is warning acceptable (safe, just requires import before next export)?

## Current Behavior
- Metadata failure is silent (only logged)
- User won't know until next export fails
- Next export requires import first (safe but annoying)

## Recommendation
Add clear comment explaining the trade-off:

```go
// Note: Metadata update failures are treated as warnings, not errors.
// This is acceptable because the worst case is the next export will
// require an import first, which is safe and prevents data loss.
// Alternative: Make this critical and fail the export if metadata
// updates fail (but this makes exports more fragile).
if err := store.SetMetadata(ctx, "last_import_hash", currentHash); err != nil {
    log.log("Warning: failed to update last_import_hash: %v", err)
    log.log("Next export may require running 'bd import' first")
}
```

## Files
- cmd/bd/daemon_sync.go

## Decision Needed
Choose approach based on failure mode preferences


Refactor create_test.go to use shared DB setup

Convert TestCreate_* functions to use test suites with shared database setup.

Example transformation:
- Before: 10 separate tests, each with newTestStore()
- After: 1 TestCreate() with 10 t.Run() subtests sharing one DB

Estimated speedup: 10x faster (1 DB setup instead of 10)


Hash-based IDs with aliasing system

Replace sequential auto-increment IDs (bd-1c63eb84, bd-9063acda) with content-hash based IDs (bd-af78e9a2) plus human-friendly aliases (#1, #2).

## Motivation
Current sequential IDs cause collision problems when multiple clones work offline:
- Non-deterministic convergence in N-way scenarios (bd-cbed9619.1, bd-e6d71828)
- Complex collision resolution logic (~2,100 LOC)
- UNIQUE constraint violations during import
- Requires coordination between workers

Hash-based IDs eliminate collisions entirely while aliases preserve human readability.

## Benefits
- ✅ Collision-free distributed ID generation
- ✅ Eliminates ~2,100 LOC of collision handling code
- ✅ Better git merge behavior (different IDs = different JSONL lines)
- ✅ True offline-first workflows
- ✅ Simpler auto-import (no remapping needed)
- ✅ Enables parallel CI/CD workers without coordination

## Design
- Canonical ID: bd-af78e9a2 (8-char SHA256 prefix of title+desc+timestamp+creator)
- Alias: #42 (auto-increment per workspace, mutable, display-only)
- CLI accepts both: bd show bd-af78e9a2 OR bd show #42
- JSONL stores hash IDs only (aliases reconstructed on import)
- Alias conflicts resolved via content-hash ordering (deterministic)

## Breaking Change
This is a v2.0 feature requiring migration. Provide bd migrate --hash-ids tool.

## Timeline
~9 weeks (Phase 1: Hash IDs 4w, Phase 2: Aliases 3w, Phase 3: Testing 2w)

## Dependencies
Should complete after bd-7c5915ae (cleanup validation) and before bd-710a4916 (CRDT).


Implement bd migrate command

Add bd migrate command to move issues between repos with filtering. Should support: filtering by status/priority/labels, dry-run mode, preserving dependencies, handling source_repo field updates.


Improve CheckStaleness error handling

## Problem

CheckStaleness returns 'false' (not stale) for multiple error conditions instead of returning errors. This masks problems.

**Location:** internal/autoimport/autoimport.go:253-285

## Edge Cases That Return False

1. **Invalid last_import_time format** (line 259-262)
   - Corrupted metadata returns 'not stale'
   - Could show stale data

2. **No JSONL file found** (line 267-277)
   - If glob fails, falls back to 'issues.jsonl'
   - If that's empty, returns 'not stale'

3. **JSONL stat fails** (line 279-282)
   - Permission denied, file missing
   - Returns 'not stale' even though can't verify

## Current Code

```go
lastImportTime, err := time.Parse(time.RFC3339, lastImportStr)
if err \!= nil {
    return false, nil  // ← Should return error
}

// ...

if jsonlPath == "" {
    return false, nil  // ← Should return error
}

stat, err := os.Stat(jsonlPath)
if err \!= nil {
    return false, nil  // ← Should return error
}
```

## Fix

```go
lastImportTime, err := time.Parse(time.RFC3339, lastImportStr)
if err \!= nil {
    return false, fmt.Errorf("corrupted last_import_time: %w", err)
}

// ...

if jsonlPath == "" {
    return false, fmt.Errorf("no JSONL file found")
}

stat, err := os.Stat(jsonlPath)
if err \!= nil {
    return false, fmt.Errorf("cannot stat JSONL: %w", err)
}
```

## Impact
Medium - edge cases are rare but should be handled

## Effort
30 minutes - requires updating callers in RPC server

## Dependencies
Requires: bd-n4td (warning on errors)


Fix revive style issues (78 issues)

Style violations: unused parameters (many cmd/args in cobra commands), missing exported comments, stuttering names (SQLiteStorage), indent-error-flow issues.

Fixed 19 revive issues:
- 14 unused-parameter (renamed to _)
- 2 redefines-builtin-id (max→maxCount, min→minInt)
- 3 indent-error-flow (gofmt fixed 2, skipped 1 complex nested one)

Remaining issues are acceptable: 11 unused-params in deeper code, 2 empty-blocks with comments, 1 complex indent case, 1 superfluous-else in test.


Optimize Memory backend GetIssueByExternalRef with index

Currently GetIssueByExternalRef in Memory storage uses O(n) linear search through all issues.

Current code (memory.go:282-308):
for _, issue := range m.issues {
    if issue.ExternalRef != nil && *issue.ExternalRef == externalRef {
        return &issueCopy, nil
    }
}

Proposed optimization:
- Add externalRefToID map[string]string to MemoryStorage
- Maintain it in CreateIssue, UpdateIssue, DeleteIssue
- Achieve O(1) lookup like SQLite's index

Impact: Low (--no-db mode typically has smaller datasets)
Related: bd-1022


Implement bd upgrade subcommand with status/review/ack


Add mutex protection for dirtyIssues map in autoflush.go

**Location:** cmd/bd/autoflush.go (global state)

**Issue:** Global dirtyIssues map is modified without synchronization across goroutines. Daemon event loop and flush manager both access this shared state with no documented mutex protection.

**Impact:** Potential race conditions leading to:
- Lost dirty tracking
- Concurrent map access panics
- Data corruption on flush

**Evidence:** 277 occurrences of Lock/Unlock patterns found in cmd/bd but no evidence of protection for dirty tracking.

**Fix:** Implement mutex-protected map or use sync.Map for concurrent access to dirtyIssues.


Test lowercase p0


Platform tests: Linux, macOS, Windows

Test event-driven mode on all platforms. Verify inotify (Linux), FSEvents (macOS), ReadDirectoryChangesW (Windows). Test fallback behavior on each.


Document shared memory test isolation pattern in test_helpers.go

Tests were failing because :memory: creates a shared database across all tests. The fix is to use "file::memory:?mode=memory&cache=private" for test isolation.

Should document this pattern in test_helpers.go and potentially update newTestStore to use private memory by default.


Investigate and upgrade to modernc.org/sqlite 1.39.1+

We had to pin modernc.org/sqlite to v1.38.2 due to a FOREIGN KEY constraint regression in v1.39.1 (SQLite 3.50.4).

**Issue:** [deleted:bd-cb64c226.2], GH #144

**Symptom:** CloseIssue fails with "FOREIGN KEY constraint failed (787)" when called via MCP/daemon, but works fine via CLI.

**Root Cause:** Unknown - likely stricter FK enforcement in SQLite 3.50.4 or modernc.org wrapper changes.

**Workaround:** Pinned to v1.38.2 (SQLite 3.49.x)

**TODO:**
1. Monitor modernc.org/sqlite releases for fixes
2. Check SQLite 3.50.5+ changelogs for FK-related fixes
3. Investigate why daemon mode fails but CLI succeeds (connection reuse? transaction isolation?)
4. Consider filing upstream issue with reproducible test case
5. Upgrade when safe


Test P1 priority


Integration Testing

Verify cache removal doesn't break any workflows


Extract daemon lifecycle functions to daemon_lifecycle.go


Create Go adapter library (optional)

For agents written in Go, provide native adapter library instead of shelling out to curl.

Acceptance Criteria:
- agentmail.Client struct
- HTTP client with timeout/retry logic
- Same API as Python adapter
- Example usage in examples/go-agent/
- Unit tests

File: pkg/agentmail/client.go

Note: Lower priority - can shell out to curl initially


Improve integration test coverage for stateful features


Fix GH #227: bd edit broken pipe errors

bd edit command gets "broken pipe" errors when using daemon mode because editing can take minutes and the daemon connection times out.

Solution: Force bd edit to always use direct mode (--no-daemon) since it's human-only and interactive.

Fixed by checking cmd.Name() == "edit" in main.go PersistentPreRun and setting noDaemon = true.


Update FAQ: How does OpenSpec/spec-driven development relate to Beads?

Answer the question raised in GH discussion #240 about OpenSpec integration.

Answer Summary:
- Single-agent: OpenSpec → Beads → Code
- Multi-agent swarm: Use Gastown as coordination layer
- Gastown provides OpenSpec-style planning infrastructure
- Planning agents create specs, distribute as Beads issues
- 'Gastown plans, Beads remembers, Agents execute'

Action Items:
1. Add FAQ entry explaining the architecture layers
2. Link to Gastown planning design (gt-cke)
3. Reference discussion #240 and rbergman's insights
4. Clarify: Beads focuses on execution memory, not planning

Cross-Reference:
- Gastown issue gt-cke: Design OpenSpec-style planning layer
- GH discussion #240: https://github.com/steveyegge/beads/discussions/240

Keep FAQ concise - detailed architecture lives in Gastown docs.


Wrap git operations in GitClient interface

Create internal/daemonrunner/git.go with GitClient interface (HasUpstream, HasChanges, Commit, Push, Pull). Default implementation using os/exec. Use in Syncer and Run loop for testability.


npm package for bd with native binaries

Create an npm package that wraps native bd binaries for easy installation in Claude Code for Web and other Node.js environments.

## Problem
Claude Code for Web sandboxes are full Linux VMs with npm support, but cannot easily download binaries from GitHub releases due to network restrictions or tooling limitations.

## Solution
Publish bd as an npm package that:
- Downloads platform-specific native binaries during postinstall
- Provides a CLI wrapper that invokes the native binary
- Works seamlessly in Claude Code for Web SessionStart hooks
- Maintains full feature parity (uses native SQLite)

## Benefits vs WASM
- ✅ Full SQLite support (no custom VFS needed)
- ✅ All features work identically to native bd
- ✅ Better performance (native vs WASM overhead)
- ✅ ~4 hours effort vs ~2 days for WASM
- ✅ Minimal maintenance burden

## Success Criteria
- npm install @beads/bd works in Claude Code for Web
- All bd commands function identically to native binary
- SessionStart hook documented for auto-installation
- Package published to npm registry


Add is_tombstone flag to schema

Optionally add is_tombstone boolean field to issues table. Marks resurrected parents that were deleted. Allows distinguishing tombstones from normal deleted issues. Update schema.go and create migration.


Add ON DELETE CASCADE to child_counters schema

Update schema.go child_counters table foreign key with ON DELETE CASCADE. When parent deleted, child counter should also be deleted. If parent is resurrected, counter gets recreated from scratch. Add migration for existing databases.


Add unit tests for parent resurrection

Test resurrection with deleted parent (should succeed), resurrection with never-existed parent (should fail gracefully), multi-level resurrection (bd-abc.1.2 with both parents missing). Verify tombstone creation and is_tombstone flag.


Add label operations to bd update command

Add --add-label and --remove-label flags to bd update.

**Implementation:**
- Add flags: --add-label, --remove-label, --set-labels
- Support multiple labels (repeatable flags)
- Test with daemon and direct mode

**Files to modify:**
- cmd/bd/show.go (updateCmd definition)
- Add RPC support in internal/rpc/protocol.go and server

**Testing:**
- Add/remove single label
- Add/remove multiple labels
- Set labels (replace all)
- JSON output
- Daemon mode vs direct mode

Architecture review complete:
- Current: separate 'bd label add/remove' commands exist
- UpdateArgs struct in protocol.go needs new fields: AddLabels, RemoveLabels, SetLabels
- RPC server needs label operation support in Update handler
- CLI flags needed: --add-label, --remove-label, --set-labels (repeatable)
- Both daemon and direct mode need implementation
- Tests needed for all modes

This is a moderate-sized feature requiring changes across:
1. cmd/bd/show.go (updateCmd flags and logic)
2. internal/rpc/protocol.go (UpdateArgs struct)
3. internal/rpc/server_issues_epics.go (Update handler)
4. Tests for daemon/direct modes


Latency test manual


Add multi-repo support to export metadata updates

## Problem
The bd-ymj fix only updates metadata for the main jsonlPath, but the codebase supports multi-repo mode where exports write to multiple JSONL files.

Other daemon_sync operations handle multi-repo correctly:
- Lines 509-518: Snapshots captured for all multi-repo paths
- Lines 578-587: Deletions applied for all multi-repo paths

But metadata updates are missing!

## Investigation Needed
Metadata is stored globally in database (`last_import_hash`, `last_import_mtime`), but multi-repo has per-repo JSONL files. Current schema may not support tracking multiple JSONL files.

Options:
1. Store metadata per-repo (new schema)
2. Store combined hash of all repos
3. Document that multi-repo doesn't need this metadata (why?)

## Solution (if needed)
```go
// After export
if multiRepoPaths := getMultiRepoJSONLPaths(); multiRepoPaths != nil {
    // Multi-repo mode: update metadata for each JSONL
    for _, path := range multiRepoPaths {
        updateExportMetadata(exportCtx, store, path, log)
    }
} else {
    // Single-repo mode: update metadata for main JSONL
    updateExportMetadata(exportCtx, store, jsonlPath, log)
}
```

## Files
- cmd/bd/daemon_sync.go (createExportFunc, createSyncFunc)
- Possibly: internal/storage/sqlite/metadata.go (schema changes)

## Related
Depends on bd-ar2.1 (extract helper function first)


Fix multi-round convergence for N-way collisions

## Problem

N-way collision resolution is working (IDs get remapped correctly), but clones don't fully converge after a single final pull. Each clone is missing some issues that other clones have.

From TestFiveCloneCollision results:
- Clone A has: A, B
- Clone B has: A, B
- Clone C has: A, B, C
- Clone D has: A, B, C, D
- Clone E has: A, B, C, E

**Expected**: All clones should have A, B, C, D, E after final pull.

## Root Cause

The current sync workflow does:
1. Each clone syncs in order (resolving collisions locally)
2. Final pull to get all changes

But the final pull itself may need import with collision resolution, which creates new commits. These new commits aren't propagated to other clones, so they remain incomplete.

## Proposed Solution

**Option 1: Multi-round final sync**
- After final pull, do additional sync rounds until all clones converge
- Check convergence by comparing issue counts or content hashes
- Maximum N rounds for N clones

**Option 2: Iterative pull-import-push**
- Each clone: pull → import with --resolve-collisions → push
- Repeat until no new changes
- Guaranteed convergence but may create commit spam

**Option 3: Fix auto-import to be truly idempotent**
- Ensure importing same JSONL multiple times produces no new commits
- May require smarter content-based deduplication

## Acceptance Criteria

- TestFiveCloneCollision passes without t.Skip
- All N clones have all N issues after convergence
- Convergence happens in bounded rounds (≤ N)
- No data loss or duplication
- Works for arbitrary N (tested with 5, 10 clones)

## Impact

This is the final blocker for bd-cbed9619 epic completion.


Tests take too long - unacceptable for project size

## Problem

Running `go test ./internal/importer/... -v` takes an unacceptably long time (minutes). For a project this size, tests should complete in seconds.

## Impact

- Slows down development iteration
- AI agents waste time waiting for tests
- Blocks rapid bug fixes and validation
- Poor developer experience

## Investigation Needed

- Profile which tests are slow
- Check for unnecessary sleeps, timeouts, or integration tests
- Look for tests that could be parallelized
- Consider splitting unit vs integration tests

## Goal

Test suite for a single package should complete in <5 seconds, ideally <2 seconds.

## Optimizations Applied

1. **Added t.Parallel() to CLI tests** (13 tests) - allows concurrent execution
2. **Removed unnecessary 200ms sleep** in daemon_autoimport_test.go - Execute() forces auto-import synchronously
3. **Reduced filesystem settle wait** from 100ms → 50ms on non-Windows platforms
4. **Optimized debouncer test sleeps** (9 reductions):
   - Before debounce waits: 30ms → 20ms, 20ms → 10ms
   - After debounce waits: 40ms → 35ms, 30ms → 35ms, etc.
   - Thread safety test: 100ms → 70ms
   - Sequential cycles: 50ms → 40ms (3x)
   - Cancel tests: 70-80ms → 60ms

## Results

### cmd/bd package (main improvement target):
- **Before**: 5+ minutes (timeout)
- **After**: ~18-20 seconds
- **Speedup**: ~15-18x faster

### internal/importer package:
- **After**: <1 second (0.9s)

### Full test suite (with `-short` flag):
- Most packages complete in <2s
- Total runtime constrained by sequential integration tests

## Known Issues

- TestConcurrentExternalRefImports hangs due to :memory: connection pool issue (bd-b121)
- Some sync_branch tests may need sequential execution (git worktree conflicts)


Support Ubuntu 20.04 LTS (glibc compatibility issue)

Starting at v0.22, precompiled binaries require GLIBC 2.32+ which is not available on Ubuntu 20.04 LTS (Focal Fossa). Ubuntu 20.04 has GLIBC 2.31.

Error:
```
bd: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.34' not found (required by bd)
bd: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.32' not found (required by bd)
```

Current workarounds:
1. Upgrade to Ubuntu 22.04+
2. Build from source: `go build -o bd ./cmd/bd/`

Root cause: Go 1.24+ runtime requires newer glibc. CGO is already disabled in .goreleaser.yml.

Possible solutions:
- Pin Go version to 1.21 or 1.22 for releases
- Use Docker/cross-compile with older build environment
- Provide separate build for older distros
- Document minimum requirements clearly

Decision: Document minimum requirements in README instead of pinning Go version.

Rationale:
- Ubuntu 20.04 LTS standard support ended April 2025 (already EOL)
- Pinning Go prevents security fixes, performance improvements, and new features
- Users on EOL distros can upgrade OS or build from source
- Added Requirements section to README with clear glibc 2.32+ requirement


Cache getMultiRepoJSONLPaths() result during sync to avoid redundant calls

From bd-xo6b code review: getMultiRepoJSONLPaths() is called 3x per sync cycle.

**Current behavior:**
daemon_sync.go calls getMultiRepoJSONLPaths() three times per sync:
- Line 505: Snapshot capture before pull
- Line 575: Merge/prune after pull
- Line 613: Base snapshot update after import

**Cost per call:**
- Config lookup (likely cached, but still overhead)
- Path construction: O(N) where N = number of repos
- String allocations: (N + 1) × filepath.Join() calls

**Total per sync:** 3N path constructions + 3 config lookups + 3 slice allocations

**Impact:**
- For N=3 repos: Negligible (< 1ms)
- For N=10 repos: Still minimal
- For N=100+ repos: Wasteful

**Solution:**
Call once at sync start, reuse result:

```go
func createSyncFunc(...) func() {
    return func() {
        // ... existing setup ...

        // Call once at start
        multiRepoPaths := getMultiRepoJSONLPaths()

        // Snapshot capture
        if multiRepoPaths != nil {
            for _, path := range multiRepoPaths {
                if err := captureLeftSnapshot(path); err != nil { ... }
            }
        }

        // ... later ...

        // Merge/prune - reuse same paths
        if multiRepoPaths != nil {
            for _, path := range multiRepoPaths { ... }
        }

        // ... later ...

        // Base snapshot update - reuse same paths
        if multiRepoPaths != nil {
            for _, path := range multiRepoPaths { ... }
        }
    }
}
```

**Files:**
- cmd/bd/daemon_sync.go:449-636 (createSyncFunc)

**Note:** This is a performance optimization, not a correctness fix. Low priority unless multi-repo usage scales significantly.


Run final validation and cleanup checks

Final validation pass to ensure all cleanup objectives met and no regressions introduced.

Validation checklist:
1. Dead code verification: `go run golang.org/x/tools/cmd/deadcode@latest -test ./...`
2. Test coverage: `go test -cover ./...`
3. Build verification: `go build ./cmd/bd/`
4. Linting: `golangci-lint run`
5. Integration tests
6. Metrics verification
7. Git clean check

Final metrics to report:
- LOC removed: ~____
- Files deleted: ____
- Files created: ____
- Test coverage: ____%
- Build time: ____ (before/after)
- Test run time: ____ (before/after)

Impact: Confirms all cleanup objectives achieved successfully

## Validation Results (Oct 31, 2025)

**Dead Code:** ✅ Removed 5 unreachable functions (~200 LOC)
- computeIssueContentHash, shouldSkipExport (autoflush.go)
- addDependencyUnchecked, removeDependencyIfExists (dependencies.go)
- isUniqueConstraintError (util.go)

**Tests:** ✅ All pass
**Coverage:**
- Main package: 39.6%
- cmd/bd: 19.5%
- internal/daemon: 37.8%
- internal/storage/sqlite: 58.1%
- internal/rpc: 58.6%

**Build:** ✅ Clean (24.5 MB binary)
**Linting:** 247 issues (mostly errcheck on defer/Close statements)
**Integration Tests:** ✅ All pass
**Metrics:** 55,622 LOC across 200 Go files
**Git:** 3 files modified (dead code removal)


Override test

## Overview

[Describe the high-level goal and scope of this epic]

## Success Criteria

- [ ] Criteria 1
- [ ] Criteria 2
- [ ] Criteria 3

## Background

[Provide context and motivation]

## Scope

**In Scope:**
- Item 1
- Item 2

**Out of Scope:**
- Item 1
- Item 2


Support local-only git repos without remote origin

Daemon crashes when working with local git repos that don't have origin remote configured. Should gracefully degrade to local-only mode: skip git pull/push operations but maintain daemon features (RPC server, auto-flush, JSONL export).


Fix silent error handling in RPC response writing

Marshal and write errors silently ignored in writeResponse, can send partial JSON and hang clients.

Location: internal/rpc/server_lifecycle_conn.go:228-232

Problem:
- json.Marshal error ignored - cyclic reference sends corrupt JSON
- Write error ignored - connection closed, no indication to caller
- WriteByte error ignored - client hangs waiting for newline
- Flush error ignored - partial data buffered

Current code:
func (s *Server) writeResponse(writer *bufio.Writer, resp Response) {
    data, _ := json.Marshal(resp)  // Ignored!
    _, _ = writer.Write(data)      // Ignored!
    _ = writer.WriteByte('\n')     // Ignored!
    _ = writer.Flush()             // Ignored!
}

Solution: Return errors, handle in caller, close connection on error

Impact: Client hangs waiting for response; corrupt JSON sent

Effort: 1 hour


Add alias field to database schema

Extend database schema to support human-friendly aliases alongside hash IDs.

## Database Changes

### 1. Add alias column to issues table
```sql
ALTER TABLE issues ADD COLUMN alias INTEGER UNIQUE;
CREATE INDEX idx_issues_alias ON issues(alias);
```

### 2. Add alias counter table
```sql
CREATE TABLE alias_counter (
    id INTEGER PRIMARY KEY CHECK (id = 1),
    next_alias INTEGER NOT NULL DEFAULT 1
);
INSERT INTO alias_counter (id, next_alias) VALUES (1, 1);
```

### 3. Add alias conflict tracking (for multi-clone scenarios)
```sql
CREATE TABLE alias_history (
    issue_id TEXT NOT NULL,
    alias INTEGER NOT NULL,
    assigned_at TIMESTAMP NOT NULL,
    workspace_id TEXT NOT NULL,
    PRIMARY KEY (issue_id, alias)
);
```

## API Changes

### CreateIssue
- Generate hash ID
- Assign next available alias
- Store both in database

### ResolveAliasConflicts (new function)
- Detect conflicting alias assignments after import
- Apply resolution strategy (content-hash ordering)
- Reassign losers to next available aliases

## Migration Path
```bash
bd migrate --add-aliases  # Adds columns, assigns aliases to existing issues
```

## Files to Modify
- internal/storage/sqlite/schema.go
- internal/storage/sqlite/sqlite.go (CreateIssue, GetIssue)
- internal/storage/sqlite/aliases.go (new file for alias logic)
- internal/storage/sqlite/migrations.go

## Testing
- Test alias auto-assignment on create
- Test alias uniqueness constraint
- Test alias lookup performance
- Test alias conflict resolution


Create cmd/bd/daemon_debouncer.go (~60 LOC)

Implement Debouncer to batch rapid events into single action. Default 500ms, configurable via BEADS_DEBOUNCE_MS. Thread-safe with mutex.


Issue 2


Optimize cmd/bd long-mode tests by switching to in-process testing

The long-mode CLI tests in cmd/bd are slow (1.4-4.4 seconds each) because they spawn full bd processes via exec.Command() for every operation.

Current approach:
- Each runBD() call spawns new bd process via exec.Command(testBD, args...)
- Each process initializes Go runtime, loads SQLite, parses CLI flags
- Tests run serially (create → update → show → close)
- Even with --no-daemon flag, there's significant process spawn overhead

Example timing from test run:
- TestCLI_PriorityFormats: 2.21s
- TestCLI_Show: 2.26s
- TestCLI_Ready: 2.29s
- TestCLI_Import: 4.42s

Optimization strategy:
1. Convert most tests to in-process testing (call bd functions directly)
2. Reuse test databases across related operations instead of fresh init each time
3. Keep a few exec.Command() tests that batch multiple operations to verify the CLI path works end-to-end

This should reduce test time from ~40s to ~5s for the affected tests.

Converted all CLI tests in cli_fast_test.go to use in-process testing via rootCmd.Execute(). Created runBDInProcess() helper that:
- Calls rootCmd.Execute() directly instead of spawning processes
- Uses mutex to serialize execution (rootCmd/viper not thread-safe)
- Properly cleans up global state (store, daemonClient)
- Returns only stdout to avoid JSON parsing issues with stderr warnings

Performance results:
- In-process tests: ~0.6s each (cached even faster)
- exec.Command tests: ~3.7s each
- Speedup: ~10x faster

Kept TestCLI_EndToEnd() that uses exec.Command for end-to-end validation of the actual binary.


Remove obsolete stale.go command (executor tables never implemented)


Wire config to import pipeline

Connect import.orphan_handling config to importer.go and sqlite validation functions. Pass mode flag through call chain. Implement all four modes (strict/resurrect/skip/allow) with proper error messages and logging.


Fix PR #319: Performance Improvements - CI failures and lint errors

PR #319 (Performance Improvements) has excellent performance optimizations but is blocked by CI failures.

## The PR
- URL: https://github.com/steveyegge/beads/pull/319
- Author: @rsnodgrass (Ryan)
- Claimed improvements: bd ready 20.5x faster (752ms → 36.6ms), startup 10.5x faster

## CI Failures

### Lint Errors (8 total)
1. cmd/bd/deletion_tracking.go:57 - unchecked os.Remove
2. cmd/bd/import.go:548 - unchecked os.RemoveAll
3. cmd/bd/message.go:205 - unchecked resp.Body.Close
4. cmd/bd/migrate_issues.go:633 - unchecked fmt.Scanln
5. cmd/bd/migrate_issues.go:701 - unchecked MarkFlagRequired
6. cmd/bd/migrate_issues.go:702 - unchecked MarkFlagRequired
7. cmd/bd/show.go:610 - gosec G104 unhandled error
8. cmd/bd/show.go:614 - gosec G104 unhandled error

### Test Failures
All syncbranch_test.go tests failing with:
"migration external_ref_column failed: failed to create index on external_ref: sqlite3: SQL logic error: no such table: main.issues"

This suggests the PR branch needs rebasing on current main.

## Required Work

### 1. Fix Lint Errors
Add proper error handling for all 8 flagged locations. Most can use _ = or log warnings.

### 2. Rebase on Current Main
The migration test failures indicate the branch is out of sync. Need to:
- git fetch upstream
- git rebase upstream/main
- Resolve any conflicts
- Verify tests pass locally

### 3. Verify CI Passes
- All lint checks green
- All tests pass (Linux, Windows, Nix)

## Optional Improvements
- Consider splitting into smaller PRs (core index, WASM cache, testing infra)
- Add documentation for benchmark usage
- Extract helper functions in doctor/perf.go for better testability

## Value
This PR delivers real performance improvements. The index optimization alone is worth merging quickly once CI is fixed.


Test child direct


Daemon crashes silently on RPC query after startup

The daemon fails to handle 'show' RPC commands when:
1) JSONL is newer than database (needs import)
2) git pull fails due to uncommitted changes

Symptoms:
- Daemon appears to run (ps shows process)
- 'bd list' and other commands work fine
- 'bd show <id>' returns "failed to read response: EOF"
- No panic or error logged in daemon.log

Root cause likely: auto-import deadlock or state corruption when import is blocked by git conflicts.

Workaround:
- Restart daemon after syncing git state (commit/push changes)
- OR use --no-daemon flag for all commands

The panic recovery added in server_lifecycle_conn.go:183 didn't catch any panics, confirming this isn't a panic-based crash.

Root cause found and fixed: Two bugs - (1) nil pointer check missing in handleShow causing panic, (2) double JSON encoding in show.go ID resolution. Both fixed. bd show now works with daemon.


Add mutation channel to internal/rpc/server.go

Add mutationChan chan MutationEvent to Server struct. Emit events on CreateIssue, UpdateIssue, DeleteIssue, AddComment. Non-blocking send with default case for full channel.


Document protected branch workflow

Create comprehensive documentation for protected branch workflow.

Tasks:
- Add "Protected Branch Workflow" section to AGENTS.md
- Create docs/PROTECTED_BRANCHES.md guide
- Update README.md quick start
- Add examples to examples/protected-branch/
- Update bd init --help documentation
- Add troubleshooting guide
- Add migration guide for existing users
- Record demo video (optional)

Estimated effort: 2-3 days

Completed protected branch workflow documentation. Created comprehensive guide (docs/PROTECTED_BRANCHES.md), updated AGENTS.md with workflow section, added feature to README.md, and created working example (examples/protected-branch/). All commands verified working (bd init --branch, bd sync --status, bd sync --merge, bd config get/set sync.branch).


Proposal workflow (propose/withdraw/accept)

Implement commands and state machine for moving issues between personal planning repos and canonical upstream repos, enabling contributors to propose work without polluting PRs.


Fix TestAddCommentUpdatesTimestamp timing flake on Windows

The TestAddCommentUpdatesTimestamp test fails on Windows due to insufficient time resolution between creating an issue and adding a comment. The test expects updated_at to be strictly after the original timestamp, but on Windows both operations can complete within the same time unit, causing them to have identical timestamps.


Add depth-based batch creation in upsertIssues

Replace single batch creation with depth-level batching (max depth 3). Create issues at depth 0, then 1, then 2, then 3. Prevents parent validation errors when importing hierarchical issues in same batch. File: internal/importer/importer.go:534-546


Add aider integration for beads issue tracking

Based on GH#206 discussion, add aider-specific integration to help aider users work with beads. Aider requires explicit user command invocation via /run, unlike Claude Code which executes autonomously. Need to create setup command, configuration template, and documentation that accounts for aider's human-in-the-loop workflow.


bd doctor should check for multiple DBs, multiple JSONLs, daemon health


Rapid 5


CLI accepts both hash IDs and aliases

Update all CLI commands to accept both hash IDs (bd-af78e9a2) and aliases (#42, or just 42).

## Parsing Logic
```go
// internal/utils/id_parser.go
func ParseIssueID(input string) (issueID string, err error) {
    // Hash ID: bd-af78e9a2
    if strings.HasPrefix(input, "bd-") {
        return input, nil
    }

    // Alias: #42 or 42
    aliasStr := strings.TrimPrefix(input, "#")
    alias, err := strconv.Atoi(aliasStr)
    if err != nil {
        return "", fmt.Errorf("invalid issue ID: %s", input)
    }

    // Resolve alias to hash ID
    return storage.GetIssueIDByAlias(alias)
}
```

## Commands to Update
All commands that accept issue IDs:

### 1. bd show
```bash
bd show bd-af78e9a2        # Hash ID
bd show #42                # Alias
bd show 42                 # Alias (shorthand)
bd show bd-af78e9a2 #42    # Mixed (multiple IDs)
```

### 2. bd update
```bash
bd update #42 --status in_progress
bd update bd-af78e9a2 --priority 1
```

### 3. bd close
```bash
bd close #42 --reason "Done"
```

### 4. bd dep add/tree
```bash
bd dep add #42 #1 --type blocks
bd dep tree bd-af78e9a2
```

### 5. bd label add/remove
```bash
bd label add #42 critical
```

### 6. bd merge
```bash
bd merge #42 #43 --into #41
```

## Display Format
Default to showing aliases in output:
```bash
$ bd list
#1   Fix authentication bug          P1  open
#2   Add logging to daemon           P2  open
#42  Investigate jujutsu integration P3  open
```

With `--format=hash` flag:
```bash
$ bd list --format=hash
bd-af78e9a2  Fix authentication bug          P1  open
bd-e5f6a7b8  Add logging to daemon           P2  open
bd-1a2b3c4d  Investigate jujutsu integration P3  open
```

## Files to Modify
- internal/utils/id_parser.go (new)
- cmd/bd/show.go
- cmd/bd/update.go
- cmd/bd/close.go
- cmd/bd/reopen.go
- cmd/bd/dep.go
- cmd/bd/label.go
- cmd/bd/merge.go
- cmd/bd/list.go (add --format flag)

## Testing
- Test hash ID parsing
- Test alias parsing (#42, 42)
- Test mixed IDs in single command
- Test error on invalid ID
- Test alias resolution failure


Document bd edit command and verify MCP exclusion

Follow-up from PR #152:
1. Add "bd edit" to AGENTS.md with "Humans only" note
2. Verify MCP server doesn't expose bd edit command
3. Consider adding test for command registration


Recurring dirty state after merge conflicts - bd sync keeps failing

## Problem

`bd sync` consistently fails with merge conflicts in `.beads/beads.jsonl`, creating a loop:
1. User runs `bd sync`
2. Git merge conflict occurs
3. User resolves with `git checkout --theirs` (takes remote)
4. Daemon auto-exports database state (which has local changes)
5. JSONL becomes dirty again immediately
6. Repeat

This has been happening for **weeks** and is extremely frustrating.

## Root Cause

The recommended conflict resolution (`git checkout --theirs`) throws away local database state (comments, dependencies, closed issues). The daemon then immediately re-exports, creating a dirty state.

## Current Workaround

Manual `bd export -o .beads/beads.jsonl && git add && git commit && git push` after every failed sync.

## Example Session

```bash
$ bd sync
CONFLICT (content): Merge conflict in .beads/beads.jsonl

$ git checkout --theirs .beads/beads.jsonl && bd import && git add && git commit && git push
# Pushed successfully

$ git status
modified: .beads/beads.jsonl  # DIRTY AGAIN!
```

## Lost Data in Recent Session

- bd-ry1u closure (lost in merge)
- Comments on bd-08fd, bd-23a8, bd-6049, bd-87a0 (lost)
- Dependencies that existed only in local DB

## Potential Solutions

1. **Use beads-merge tool** - Implement proper 3-way JSONL merge (bd-bzfy)
2. **Smarter conflict resolution** - Detect when `--theirs` will lose data, warn user
3. **Sync validation** - Check if JSONL == DB after merge, re-export if needed
4. **Daemon awareness** - Pause auto-export during merge resolution
5. **Transaction log** - Replay local changes after merge instead of losing them

## Related Issues

- bd-bzfy (beads-merge integration)
- Possibly related to daemon auto-export behavior

## Solution Implemented

Fixed the recurring dirty state after merge conflicts by adding **sync validation** before re-exporting.

### Root Cause
Lines 217-237 in `sync.go` unconditionally re-exported DB to JSONL after every import, even when they were already in sync. This created an infinite loop:
1. User runs `bd sync` which pulls and imports remote JSONL
2. Sync unconditionally re-exports DB (which has local changes)
3. JSONL becomes dirty immediately
4. Repeat

### Fix
Added `dbNeedsExport()` function in `integrity.go` that checks:
- If JSONL exists
- If DB modification time is newer than JSONL
- If DB and JSONL issue counts match

Now `bd sync` only re-exports if DB actually has changes that differ from JSONL.

### Changes
- Added `dbNeedsExport()` in `cmd/bd/integrity.go` (lines 228-271)
- Updated `sync.go` lines 217-251 to check before re-exporting
- Added comprehensive tests in `cmd/bd/sync_merge_test.go`

### Testing
All tests pass including 4 new tests:
- `TestDBNeedsExport_InSync` - Verifies no export when synced
- `TestDBNeedsExport_DBNewer` - Detects DB modifications
- `TestDBNeedsExport_CountMismatch` - Catches divergence
- `TestDBNeedsExport_NoJSONL` - Handles missing JSONL

This prevents the weeks-long frustration of merge conflicts causing infinite dirty loops.


Unit tests for Debouncer

Test debouncer batches multiple triggers into single action. Test timer reset on subsequent triggers. Test cancel during wait. Test thread safety.


Replace BEADS_DB with BEADS_DIR environment variable

Implement BEADS_DIR as a replacement for BEADS_DB to point to the .beads directory instead of the database file directly.

Rationale:
- With --no-db mode, there's no .db file to point to
- The .beads directory is the logical unit (contains config.yaml, db files, jsonl files)
- More intuitive: point to the beads directory not the database file

Implementation:
1. Add BEADS_DIR environment variable support
2. Maintain backward compatibility with BEADS_DB
3. Priority order: BEADS_DIR > BEADS_DB > auto-discovery
4. If BEADS_DIR is set, look for config.yaml in that directory to find actual database path
5. Update documentation and migration guide

Files to modify:
- beads.go (FindDatabasePath function)
- cmd/bd/main.go (initialization)
- Documentation (CLI_REFERENCE.md, TROUBLESHOOTING.md, etc.)
- MCP integration (integrations/beads-mcp/src/beads_mcp/config.py)

Testing:
- Ensure BEADS_DB still works (backward compatibility)
- Test BEADS_DIR with both db and --no-db modes
- Test priority order when both are set
- Update integration tests

Related to GitHub issue #179


UX nightmare: multiple ways daemon can fail with misleading messages


Fix inconsistent error handling in multi-repo deletion tracking

From bd-xo6b code review: Multi-repo deletion tracking has mixed failure modes that can leave system in inconsistent state.

**Current behavior (daemon_sync.go):**
- Snapshot capture (L505-514): Hard fail → aborts sync
- Merge/prune (L575-584): Hard fail → aborts sync
- Base snapshot update (L613-619): Soft fail → logs warning, continues

**Critical problem:**
If merge fails on repo 3 of 5:
- Repos 1-2 have already merged and deleted issues (irreversible)
- Repos 3-5 are untouched
- Database is in partially-updated state
- No rollback mechanism

**Real-world scenario:**
```
Sync with repos [A, B, C]:
1. Capture snapshots A ✓, B ✓, C ✗ → ABORT (good)
2. Merge A ✓, B ✗ → ABORT but A already deleted issues (BAD - no rollback)
3. Update base A ⚠, B ⚠ → Warnings only (inconsistent with 1 & 2)
```

**Solution options:**
1. **Two-phase commit:**
   - Phase 1: Validate all repos (check files exist, readable, parseable)
   - Phase 2: Apply changes atomically (or fail entirely before any mutations)

2. **Fail-fast validation:**
   - Before any snapshot/merge operations, validate all repos upfront
   - Abort entire sync if any repo fails validation

3. **Make base snapshot update consistent:**
   - Either make it hard-fail like the others, or make all soft-fail

**Files:**
- cmd/bd/daemon_sync.go:505-514 (snapshot capture)
- cmd/bd/daemon_sync.go:575-584 (merge/prune)
- cmd/bd/daemon_sync.go:613-619 (base snapshot update)

**Recommendation:** Use option 1 (two-phase) or option 2 (fail-fast validation) + fix base snapshot inconsistency.


bd show --json doesn't include dependency type field

Fix GitHub issue #202. The JSON output from bd show and bd list commands should include the dependency type field (and optionally created_at, created_by) to match internal storage format and enable better tooling integration.

PR #203 updated with cleaner implementation: https://github.com/steveyegge/beads/pull/203

## Final Implementation

Cleanest possible approach - no internal helper methods needed:

**Design:**
- `GetDependenciesWithMetadata()` / `GetDependentsWithMetadata()` - canonical implementations with full SQL query
- `GetDependencies()` / `GetDependents()` - thin wrappers that strip metadata for backward compat
- `scanIssuesWithDependencyType()` - shared helper for scanning rows with dependency type

**Benefits:**
- Single source of truth - the `...WithMetadata()` methods ARE the implementation
- Eliminated ~139 lines of duplicated SQL and scanning code
- All tests passing (14 dependency-related tests)
- Backward compatible
- dependency_type field appears correctly in JSON output

**Note on scan helpers:**
The duplication between `scanIssues()` and `scanIssuesWithDependencyType()` is necessary because they handle different SQL result shapes (16 vs 17 columns). This is justified as they serve fundamentally different purposes based on query structure.


Test label


Fix N-way collision convergence

Epic to fix the N-way collision convergence problem documented in n-way-collision-convergence.md.

## Problem Summary
The current collision resolution implementation works correctly for 2-way collisions but does not converge for 3-way (and by extension N-way) collisions. TestThreeCloneCollision demonstrates this with reproducible failures.

## Root Causes Identified
1. Pairwise resolution doesn't scale - each clone makes local decisions without global context
2. DetectCollisions modifies state during detection (line 83-86 in collision.go)
3. No remapping history - can't track transitive remap chains (test-1 → test-2 → test-3)
4. Import-time resolution is too late - happens after git merge

## Solution Architecture
Replace pairwise resolution with deterministic global N-way resolution using:
- Content-addressable identity (content hashing)
- Global collision resolution (sort all versions by hash)
- Read-only detection phase (separate from modification)
- Idempotent imports (content-first matching)

## Success Criteria
- TestThreeCloneCollision passes without skipping
- All clones converge to identical content after final pull
- No data loss (all issues present in all clones)
- Works for N workers (test with 5+ clones)
- Idempotent imports (importing same JSONL multiple times is safe)

## Implementation Phases
See child issues for detailed breakdown of each phase.


Implement `bd setup claude` command for Claude Code integration

Create a `bd setup claude` command that installs Claude Code integration files (slash commands and hooks). This is idempotent and safe to run multiple times.


bd message: Add HTTP client timeout to prevent hangs

HTTP client in `sendAgentMailRequest` uses default http.Post with no timeout.

**Location:** cmd/bd/message.go:181

**Problem:**
- Can hang indefinitely if server is unresponsive
- No way to cancel stuck requests
- Poor UX in flaky networks

**Fix:**
```go
client := &http.Client{Timeout: 30 * time.Second}
resp, err := client.Post(url, "application/json", bytes.NewReader(reqBody))
```

**Impact:** Production reliability and security issue


Clean up snapshot files after successful merge

After a successful 3-way merge and import during 'bd sync', the snapshot files (beads.base.jsonl, beads.left.jsonl, and their .meta.json files) are left in the .beads/ directory indefinitely.

These files are only needed temporarily during the merge process:
- beads.base.jsonl: snapshot from last successful import
- beads.left.jsonl: snapshot before git pull

Once the merge succeeds and the new JSONL is imported, these files serve no purpose and should be cleaned up.

Current behavior:
- sync.go:269 calls updateBaseSnapshot() after successful import
- UpdateBase() updates beads.base.jsonl to the new state
- beads.left.jsonl is never removed
- Both files accumulate in .beads/ directory

Expected behavior:
- After successful merge and import, clean up both snapshot files
- Only retain snapshots between sync operations (create on export, use during merge, clean up after import)

The cleanup logic exists (SnapshotManager.Cleanup()) but is only called on validation failures (deletion_tracking.go:48), not on success.

Discovered in vc project where stale snapshot files from Nov 8 merge were still present.


Audit Current Cache Usage

Understand exactly what code depends on the storage cache


Add sync.branch configuration

Add configuration layer to support sync.branch setting via config file, environment variable, or CLI flag.

Tasks:
- Add sync.branch field to config schema
- Add BEADS_SYNC_BRANCH environment variable
- Add --branch flag to bd init
- Add bd config get/set sync.branch commands
- Validation (branch name format, conflicts)
- Config migration for existing users

Estimated effort: 1-2 days


Fix inconsistent export error handling - fail fast vs graceful degradation

**Location:** internal/rpc/server_export_import_auto.go:64-71

**Issue:** Export operation fails entirely if ANY single issue's labels or comments fail to load. First error stops entire export.

**Current Behavior:**
```go
for _, issue := range issues {
    labels, err := store.GetLabels(ctx, issue.ID)
    if err != nil {
        return Response{
            Success: false,
            Error:   fmt.Sprintf("failed to get labels for %s: %v", issue.ID, err),
        }
    }
}
```

**Impact:** One corrupted issue makes entire export fail. This is problematic for large databases where some corruption is expected over time.

**Fix:** Either:
1. Skip labels/comments for problematic issues with warning in export log, OR
2. Implement retry logic with exponential backoff

**Decision needed:** What's the right trade-off between data integrity and availability?


Add MCP functions for repair commands

Add repair commands to beads-mcp for agent access:
- beads_resolve_conflicts()
- beads_find_duplicates()
- beads_detect_pollution()
- beads_validate()

Files: integrations/beads-mcp/src/beads_mcp/server.py


~/src/beads daemon has 'sql: database is closed' errors - zombie daemon


Document code review findings for bd-0a43 refactoring

Code review completed successfully with minor suggestions for future improvements


cmd/bd tests fail without -short flag (parallel test deadlock)


Add tests for bd init --team wizard

Write integration tests for the team wizard:
- Test branch detection
- Test sync branch creation
- Test protected branch workflow
- Test auto-sync configuration


Q4 Platform Improvements

## Overview

[Describe the high-level goal and scope of this epic]

## Success Criteria

- [ ] Criteria 1
- [ ] Criteria 2
- [ ] Criteria 3

## Background

[Provide context and motivation]

## Scope

**In Scope:**
- Item 1
- Item 2

**Out of Scope:**
- Item 1
- Item 2


Separate process/lock/PID concerns into process.go

Create internal/daemonrunner/process.go with: acquireDaemonLock, PID file read/write, stopDaemon, isDaemonRunning, getPIDFilePath, socket path helpers, version check.


Remove Storage Cache from Server Struct

Eliminate cache fields and use s.storage directly


Support --parent flag in daemon mode

Added support for hierarchical child issue creation using --parent flag in daemon mode. Previously only worked in direct mode.


Refactor: Move staleness check inside daemon branch

## Problem

Currently ensureDatabaseFresh() is called before the daemon mode check, but it checks daemonClient != nil internally and returns early. This is redundant.

**Location:** All read commands (list.go:196, show.go:27, ready.go:102, status.go:80, etc.)

## Current Pattern

Call happens before daemon check, function checks daemonClient internally.

## Better Pattern

Move staleness check to direct mode branch only, after daemon check.

## Impact
Low - minor performance improvement (avoids one function call per command in daemon mode)

## Effort
Medium - requires refactoring 8 command files

## Priority
Low - can defer to future cleanup PR


Support P-prefix priority format (P0-P4) in create and update commands


Add MCP server functions for repair commands

Expose new repair commands via MCP server for agent access:

Functions to add:
- beads_repair_deps()
- beads_detect_pollution()
- beads_validate()
- beads_resolve_conflicts() (when implemented)

Update integrations/beads-mcp/src/beads_mcp/server.py

See repair_commands.md lines 803-884 for design.


Update JSONL format to use hash IDs

Update JSONL import/export to use hash IDs, store aliases separately.

## Current JSONL Format
```jsonl
{"id":"bd-1c63eb84","title":"Fix bug","status":"open",...}
{"id":"bd-9063acda","title":"Add test","status":"open",...}
```

## New JSONL Format (Option A: Include Alias)
```jsonl
{"id":"bd-af78e9a2","alias":1,"title":"Fix bug","status":"open",...}
{"id":"bd-e5f6a7b8","alias":2,"title":"Add test","status":"open",...}
```

## New JSONL Format (Option B: Hash ID Only)
```jsonl
{"id":"bd-af78e9a2","title":"Fix bug","status":"open",...}
{"id":"bd-e5f6a7b8","title":"Add test","status":"open",...}
```

Store aliases in separate .beads/aliases.jsonl (local only, git-ignored):
```jsonl
{"hash":"bd-af78e9a2","alias":1}
{"hash":"bd-e5f6a7b8","alias":2}
```

**Recommendation**: Option B (hash only in main JSONL)
- Cleaner git diffs (no alias conflicts)
- Aliases are workspace-local preference
- Main JSONL is canonical, portable

## Export Changes
File: cmd/bd/export.go
```go
// Export issues with hash IDs
for _, issue := range issues {
    json := marshalIssue(issue)  // Uses issue.ID (hash)
    // Don't include alias in JSONL
}

// Separately export aliases to .beads/aliases.jsonl
exportAliases(issues)
```

## Import Changes
File: cmd/bd/import.go, internal/importer/importer.go
```go
// Import issues by hash ID
issue := unmarshalIssue(line)
// Assign new alias on import (don't use incoming alias)
issue.Alias = getNextAlias()

// No collision detection needed! Hash IDs are globally unique
```

## Dependency Reference Format
No change needed - already uses issue IDs:
```json
{"depends_on_id":"bd-af78e9a2","type":"blocks"}
```

## Files to Modify
- cmd/bd/export.go (use hash IDs)
- cmd/bd/import.go (import hash IDs, assign aliases)
- internal/importer/importer.go (remove collision detection!)
- .gitignore (add .beads/aliases.jsonl)

## Testing
- Test export produces hash IDs
- Test import assigns new aliases
- Test dependencies preserved with hash IDs
- Test no collision detection triggered


Fix failing integration tests in beads-mcp

The `beads-mcp` test suite has failures in `tests/test_bd_client_integration.py` (assertion error in `test_init_creates_beads_directory`) and errors in `tests/test_worktree_separate_dbs.py` (setup failures finding database). These need to be investigated and fixed to ensure a reliable CI baseline.


bd sync --import-only doesn't update DB mtime causing bd doctor false warning


Blocked issue


YABB: Spurious issue updates during normal operations

Issue bd-627d was updated during config refactoring session without any actual changes to it. Only timestamps and content_hash changed.

Observed: Running various bd commands (list, create, etc.) caused bd-627d updated_at to change from 14:14 to 14:31.

Expected: Issues should only be updated when explicitly modified.

This causes:
- Dirty JSONL after every session
- False conflicts in git
- Confusing git history

Likely culprit: Daemon auto-import/export cycle or database migration touching all issues.

Investigated thoroughly - unable to reproduce. The import logic has IssueDataChanged() checks before calling UpdateIssue (importer/importer.go:458). All tests pass. May have been fixed by recent refactorings. Closing as cannot reproduce - please reopen with specific repro steps if it occurs again.


Update documentation for bd prime and Claude integration

Update AGENTS.md, README.md, and QUICKSTART.md to document the new `bd prime` command, `bd setup claude` command, and tip system.


Add test case for symmetric collision (both clones create same ID simultaneously)

TestTwoCloneCollision demonstrates the problem, but we need a simpler unit test for the collision resolver itself.

Test should verify:
- Two issues with same ID, different content
- Content hash determines winner deterministically
- Result is same regardless of which clone imports first
- No title swapping occurs

This can be a simpler test than the full integration test.


GH#146: No color showing in terminal for some users

User reports color not working in macOS (Taho 26.0.1) with iTerm 3.6.4 and Terminal.app, despite color working elsewhere in terminal. Python rich and printf escape codes work.

Need to investigate:
- Is NO_COLOR env var set?
- Terminal type detection?
- fatih/color library configuration
- Does bd list show colors? bd ready? bd init?
- What's the output of: echo $TERM, echo $NO_COLOR


Update AGENTS.md with event-driven mode

Document BEADS_DAEMON_MODE env var. Explain opt-in during Phase 1. Add troubleshooting for watcher failures.


Test issue 1


Fix Windows test failure: TestNewSQLiteStorage cleanup error

On Windows, TestNewSQLiteStorage fails during cleanup because the database file is still in use when t.TempDir() tries to clean up.

Test failure: testing.go:1267: TempDir RemoveAll cleanup: remove C:\Users\RUNNER~1\AppData\Local\Temp\TestNewSQLiteStorage2543917185\001\test.db: The process cannot access the file because it is being used by another process.

Root cause: SQLite database connection not being properly closed before test ends. Need to ensure store.Close() is called or add defer close pattern.


Updated title


bd message: Fix inefficient client-side filtering for --unread-only


Auto-routing and maintainer detection

Implement intelligent routing to automatically send new issues to correct repo based on user's maintainer vs contributor status, with discovered issues inheriting parent's source_repo.


Implement signal-aware context in CLI commands

Replace context.Background() with signal.NotifyContext() to enable graceful cancellation.

## Context
Part of context propagation work (bd-350). Phase 1 infrastructure is complete - sqlite.New() now accepts context parameter.

## Implementation
Set up signal-aware context at the CLI entry points:

```go
ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
defer cancel()
```

## Key Locations
- cmd/bd/main.go:438 (marked with TODO(bd-350))
- cmd/bd/daemon.go:317 (marked with TODO(bd-350))
- Other command entry points

## Benefits
- Ctrl+C cancels ongoing database operations
- Graceful shutdown on SIGTERM
- Better user experience during long operations

## Acceptance Criteria
- [ ] Ctrl+C during import cancels operation cleanly
- [ ] Ctrl+C during export cancels operation cleanly
- [ ] No database corruption on cancellation
- [ ] Proper cleanup on signal (defers execute)


Fix bd --version and bd completion to work without database


Add tests for Integration Layer Implementation

While implementing bd-wfmw, noticed missing tests

Reviewed existing coverage:
- Basic test coverage exists in lib/test_beads_mail_adapter.py
- Integration tests cover failure scenarios in tests/integration/test_mail_failures.py
- Good coverage of: enabled/disabled modes, graceful degradation, 409 conflicts, HTTP errors, config
- Missing: authorization headers detail, request body structure validation, concurrent reservation timing, TTL edge cases


Add edge case tests for GetNextChildID parent resurrection

## Current Coverage
TestGetNextChildID_ResurrectParent tests happy path only:
- Parent exists in JSONL
- Resurrection succeeds

## Missing Test Cases

### 1. Parent Not in JSONL
- Parent doesn't exist in DB
- Parent doesn't exist in JSONL either
- Should return: "could not be resurrected from JSONL history"

### 2. JSONL File Missing
- Parent doesn't exist in DB
- No issues.jsonl file exists
- Should handle gracefully

### 3. Malformed JSONL
- Parent doesn't exist in DB
- JSONL file exists but has invalid JSON
- Should skip bad lines, continue searching

### 4. Concurrent Resurrections
- Multiple goroutines call GetNextChildID with same parent
- Only one should resurrect, others should succeed
- Test for race conditions

### 5. Deeply Nested Missing Parents
- Creating bd-abc.1.2.1 where:
  - bd-abc exists
  - bd-abc.1 missing (should fail with current fix)
- Related to bd-ar2.4

### 6. Content Hash Mismatch
- Parent in JSONL has different content_hash than expected
- Should still resurrect (content_hash is for integrity, not identity)

## Files
- internal/storage/sqlite/child_id_test.go

## Implementation
```go
func TestGetNextChildID_ResurrectParent_NotInJSONL(t *testing.T) { ... }
func TestGetNextChildID_ResurrectParent_NoJSONL(t *testing.T) { ... }
func TestGetNextChildID_ResurrectParent_MalformedJSONL(t *testing.T) { ... }
func TestGetNextChildID_ResurrectParent_Concurrent(t *testing.T) { ... }
```


Modify EnsureIDs to support parent resurrection

Update internal/storage/sqlite/ids.go:189-202 to call TryResurrectParent before failing on missing parent. Add resurrection mode flag, log resurrected parents for transparency. Maintain backwards compatibility with strict validation mode.


Update documentation after code health cleanup

Update all documentation to reflect code structure changes after cleanup phases complete.

Documentation to update:
1. **AGENTS.md** - Update file structure references
2. **CONTRIBUTING.md** (if exists) - Update build/test instructions
3. **Code comments** - Update any outdated references
4. **Package documentation** - Update godoc for reorganized packages

New documentation to add:
1. **internal/util/README.md** - Document shared utilities
2. **internal/debug/README.md** - Document debug logging
3. **internal/rpc/README.md** - Document new file organization
4. **internal/storage/sqlite/migrations/README.md** - Migration system docs

Impact: Keeps documentation in sync with code


Create deployment scripts for GCP

Automated provisioning scripts for GCP Compute Engine deployment.

Acceptance Criteria:
- Terraform/gcloud scripts
- Static IP allocation
- Firewall rules
- NGINX reverse proxy config
- TLS setup (Let's Encrypt)
- Systemd service file

File: deployment/agent-mail/gcp/


URGENT: main branch has failing tests (syncbranch migration error)

The main branch has failing tests that are blocking CI for all PRs.

## Problem
All syncbranch_test.go tests failing with:
"migration external_ref_column failed: failed to create index on external_ref: sqlite3: SQL logic error: no such table: main.issues"

## Evidence
- Last 5 CI runs on main: ALL FAILED
- Tests fail locally on current main (bd6dca5)
- Affects: TestGet, TestSet, TestUnset in internal/syncbranch

## Impact
- Blocking all PR merges
- CI shows red for all branches
- Can't trust test results

## Root Cause
Migration order issue - trying to create index on external_ref column before the issues table exists, or before the external_ref column is added to the issues table.

## Quick Fix Needed
Need to investigate migration order in internal/storage/sqlite/migrations.go and ensure:
1. issues table is created first
2. external_ref column is added to issues table
3. THEN index on external_ref is created

This is CRITICAL - main should never have breaking tests.


Test child daemon mode


Implement "bd daemons logs" subcommand

Add command to view daemon logs for a specific workspace. Requires daemon logging to file (may need separate issue for log infrastructure).


Export deduplication breaks when JSONL and export_hashes table diverge

## Problem

The export deduplication feature (timestamp-only skipping) breaks when the JSONL file and export_hashes table get out of sync, causing exports to skip issues that aren't actually in the file.

## Symptoms

- `bd export` reports "Skipped 128 issue(s) with timestamp-only changes"
- JSONL file only has 38 lines but DB has 149 issues
- export_hashes table has 149 entries
- Auto-import doesn't trigger (hash matches despite missing data)
- Two repos on same commit show different issue counts

## Root Cause

shouldSkipExport() in autoflush.go compares current issue hash with stored export_hashes entry. If they match, it skips export assuming the issue is already in the JSONL.

This assumption fails when:
1. Git operations (pull, reset, checkout) change JSONL without clearing export_hashes
2. Manual JSONL edits or corruption
3. Import operations that modify DB but don't update export_hashes
4. Partial exports that update export_hashes but don't complete

## Impact

- **Critical data loss risk**: Issues appear to be tracked but aren't persisted to git
- Breaks multi-repo sync (root cause of today's debugging session)
- Auto-import fails to detect staleness (hash matches despite missing data)
- Silent data corruption (no error messages, just missing issues)

## Reproduction

1. Have DB with 149 issues, all in export_hashes table
2. Truncate JSONL to 38 lines (simulate git reset or corruption)
3. Run `bd export` - it skips 128 issues
4. JSONL still has only 38 lines but export thinks it succeeded

## Current Workaround

```bash
sqlite3 .beads/beads.db "DELETE FROM export_hashes"
bd export -o .beads/beads.jsonl
```

## Proposed Solutions

**Option 1: Verify JSONL integrity before skipping**
- Count lines in JSONL, compare with export_hashes count
- If mismatch, clear export_hashes and force full export
- Safe but adds I/O overhead

**Option 2: Hash-based JSONL validation**
- Store hash of entire JSONL file in metadata
- Before export, check if JSONL hash matches
- If mismatch, clear export_hashes
- More efficient, detects any JSONL corruption

**Option 3: Disable timestamp-only deduplication**
- Remove the feature entirely
- Always export all issues
- Simplest and safest, but creates larger git commits

**Option 4: Clear export_hashes on git operations**
- Add post-merge hook to clear export_hashes
- Clear on any import operation
- Defensive approach but may over-clear

## Recommended Fix

Combination of Options 2 + 4:
1. Store JSONL file hash in metadata after export
2. Check hash before export, clear export_hashes if mismatch
3. Clear export_hashes on import operations
4. Add `bd validate` check for JSONL/export_hashes sync

## Files Involved

- cmd/bd/autoflush.go (shouldSkipExport)
- cmd/bd/export.go (export with deduplication)
- internal/storage/sqlite/metadata.go (export_hashes table)


Add circular dependency detection to bd doctor

Added cycle detection as Check #10 in bd doctor command. Uses same recursive CTE query as DetectCycles() to find circular dependencies. Reports error status with count and fix suggestion if cycles found.


Rename last_import_hash metadata key to jsonl_content_hash

The metadata key 'last_import_hash' is misleading because it's updated on both import AND export (sync.go:614, import.go:320).

Better names:
- jsonl_content_hash (more accurate)
- last_sync_hash (clearer intent)

This is a breaking change requiring migration of existing metadata values.


Database pollution in ~/src/dave/vc: 895 issues vs canonical 310

~/src/dave/vc/.beads/beads.db has 895 total issues (675 open, 149 closed), but canonical ~/src/vc/.beads/vc.db has only 310 issues (230 open). This is 585 extra issues - likely pollution from other repositories.

Need to:
1. Identify which issues are polluted (use detect-pollution)
2. Compare issue IDs between dave/vc and canonical vc databases
3. Determine pollution source (beads repo? other repos?)
4. Clean up polluted database
5. Root cause: why did pollution occur?

Investigation findings so far:
- Polluted DB (~/src/dave/vc/.beads/beads.db): 241 issues (180 open, 43 closed)
- Canonical DB (~/src/vc/.beads/vc.db): 310 issues (230 open, 62 closed)
- Contradiction: Polluted has FEWER issues, not more (241 < 310, diff of 69)
- Only 1 unique ID in polluted: vc-55fi
- All source_repo fields are set to "." in both databases
- Issue description claims 895 issues in polluted vs 310 canonical - numbers don't match current state
- Possible: Pollution was already partially cleaned, or issue description refers to different database?


bd init UX Improvements

bd init leaves users with incomplete setup, requiring manual bd doctor --fix. Issues found: (1) git hooks not installed if user declines prompt, (2) no auto-migration when CLI is upgraded, (3) stale merge driver configs from old versions. Fix by making bd init more robust with better defaults and auto-migration.


Investigate and upgrade to modernc.org/sqlite 1.39.1+

We had to pin modernc.org/sqlite to v1.38.2 due to a FOREIGN KEY constraint regression in v1.39.1 (SQLite 3.50.4).

**Issue:** [deleted:bd-47], GH #144

**Symptom:** CloseIssue fails with "FOREIGN KEY constraint failed (787)" when called via MCP/daemon, but works fine via CLI.

**Root Cause:** Unknown - likely stricter FK enforcement in SQLite 3.50.4 or modernc.org wrapper changes.

**Workaround:** Pinned to v1.38.2 (SQLite 3.49.x)

**TODO:**
1. Monitor modernc.org/sqlite releases for fixes
2. Check SQLite 3.50.5+ changelogs for FK-related fixes
3. Investigate why daemon mode fails but CLI succeeds (connection reuse? transaction isolation?)
4. Consider filing upstream issue with reproducible test case
5. Upgrade when safe


Add Agent Mail to QUICKSTART.md

Mention Agent Mail as optional advanced feature in quickstart guide.

File: docs/QUICKSTART.md


bd-hv01: No snapshot versioning or timestamps causes stale data usage

Problem: If sync is interrupted (crash, kill -9, power loss), stale snapshots persist indefinitely. Next sync uses stale data leading to incorrect deletions.

Fix: Add metadata to snapshots with timestamp, version, and commit SHA. Validate snapshots are recent (< 1 hour old), from compatible version, and from expected git commit.

Files: cmd/bd/deletion_tracking.go (all snapshot functions)


Deletions not propagated across multi-workspace sync

## Problem

When working with multiple beads workspaces (clones) sharing the same git remote, deleted issues keep coming back.

## Reproduction

1. Clone A deletes issue `bd-xyz` via `bd delete bd-xyz --force`
2. Clone A daemon syncs and pushes to GitHub
3. Clone B still has `bd-xyz` in its database
4. Clone B daemon exports and pushes its JSONL
5. Clone A pulls and imports → `bd-xyz` comes back!

## Root Cause

**No deletion tracking mechanism.** The system has no way to distinguish between:
- "Issue doesn't exist in JSONL because it was deleted"
- "Issue doesn't exist in JSONL because the export is stale"

Import treats missing issues as "not in this export" rather than "explicitly deleted."

## Solution Options

1. **Tombstone records** - Keep deleted issues in JSONL with `"status":"deleted"` or `"deleted_at"` field
2. **Deletion log** - Separate `.beads/deletions.jsonl` file tracking all deleted IDs
3. **Three-way merge** - Import compares: DB state, old JSONL, new JSONL
4. **Manual conflict resolution** - Detect resurrection and prompt user

## Related

- Similar to resurrection logic for orphaned children (bd-cc4f)
- beads-merge tool handles this better with 3-way merge


Multi-clone collision resolution testing and documentation

Epic to track improvements to multi-clone collision resolution based on ultrathinking analysis of-3d844c58 and [deleted:bd-71107098].

Current state:
- 2-clone collision resolution is SOUND and working correctly
- Hash-based deterministic collision resolution works
- Test fails due to timestamp comparison, not actual logic issues

Work needed:
1. Fix TestTwoCloneCollision to compare content not timestamps
2. Add TestThreeCloneCollision for regression protection
3. Document 3-clone ID non-determinism as known behavior


Batch test 4


Add external_ref change tracking and auditing

Currently we don't track when external_ref is added, removed, or changed. This would be useful for debugging and auditing.

Proposed features:
- Log event when external_ref changes
- Track in events table with old/new values
- Add query to find issues where external_ref changed
- Add metrics: issues with external_ref vs without

Use cases:
- Debugging import issues
- Understanding which issues are externally managed
- Auditing external system linkage

Related: bd-1022


Test graceful degradation when server unavailable

Verify that agents continue working normally when Agent Mail server is stopped or unreachable.

Acceptance Criteria:
- Agent detects server unavailable on startup
- Logs "falling back to Beads-only mode"
- All bd commands work normally
- Agent can claim issues (no reservations, like today)
- Git sync operates as normal
- No errors or crashes

Success Metric: Zero functional difference when Agent Mail unavailable


bd detect-pollution - Test pollution detector

Detect test issues that leaked into production DB.

Pattern matching for:
- Titles starting with 'test', 'benchmark', 'sample'
- Sequential numbering (test-1, test-2)
- Generic descriptions
- Created in rapid succession

Optional AI scoring for confidence.

Files: cmd/bd/detect_pollution.go (new)


Debug test 2


Fix TestMigrateHashIDs test failure

Test failure in cmd/bd/migrate_hash_ids_test.go:100 - New ID bd-09970281 for bd-1 is not a hash ID. This test is validating the hash ID migration but the generated ID doesn't match the expected format.


Implement git worktree management

Create git worktree lifecycle management for separate beads branch.

Tasks:
- Create internal/git/worktree.go
- Implement CreateBeadsWorktree(branch, path)
- Implement RemoveBeadsWorktree(path)
- Implement CheckWorktreeHealth(path)
- Configure sparse checkout (only .beads/)
- Implement SyncJSONLToWorktree()
- Handle worktree errors gracefully
- Auto-cleanup on config change

Estimated effort: 3-4 days


Vendor and integrate beads-merge tool

Incorporate @neongreen's beads-merge 3-way merge tool into bd to solve:
- Multi-workspace deletion sync (bd-hv01)
- Git merge conflicts in JSONL
- Field-level intelligent merging

**Repository**: https://github.com/neongreen/mono/tree/main/beads-merge

**Integration approach**: Vendor the Go code with attribution, pending @neongreen's approval (GitHub issue #240)

**Benefits**:
- Prevents deletion resurrection bug
- Smart dependency merging (union + dedup)
- Timestamp handling (max wins)
- Detects deleted-vs-modified conflicts
- Works as git merge driver

**Acceptance criteria**:
- beads-merge code vendored into bd codebase
- Available as `bd merge` command
- Git merge driver setup during `bd init`
- Tests verify 3-way merge logic
- Documentation updated
- @neongreen credited


False positive detection by Kaspersky Antivirus (Trojan)

Kaspersky Antivirus falsely detects beads (bd.exe v0.23.1) as a Trojan (PDM:Trojan.Win32.Generic) and removes it.
Event: Malicious object detected
Component: System Watcher
Object name: bd.exe


Add validation and documentation for metadata key format

## Issues

### 1. No validation that keySuffix doesn't contain separator
```go
if keySuffix != "" {
    hashKey += ":" + keySuffix  // ❌ What if keySuffix contains ":"?
}
```

Add validation:
```go
if strings.Contains(keySuffix, ":") {
    return fmt.Errorf("keySuffix cannot contain ':' separator")
}
```

### 2. Inconsistent keySuffix semantics
Empty string means "global", non-empty means "scoped". Better to always pass explicit key:
```go
const (
    SingleRepoKey = "."
    // Multi-repo uses source_repo identifier
)
```

### 3. Metadata key format not documented
Need to document:
- `last_import_hash` - single-repo mode
- `last_import_hash:<repo_key>` - multi-repo mode
- `last_import_time` - when last import occurred
- `last_import_mtime` - fast-path optimization

Add to internal/storage/sqlite/schema.go or docs/


Create store.go with Store struct and initialization logic


Add transaction + retry logic for N-way collision resolution

## Problem
Current N-way collision resolution fails on UNIQUE constraint violations during convergence rounds when 5+ clones sync. The RemapCollisions function is non-atomic and performs operations sequentially:
1. Delete old issues (CASCADE deletes dependencies)
2. Create remapped issues (can fail with UNIQUE constraint)
3. Recreate dependencies
4. Update text references

Failure at step 2 leaves database in inconsistent state.

## Solution
Wrap collision resolution in database transaction with retry logic:
- Make entire RemapCollisions operation atomic
- Retry up to 3 times on UNIQUE constraint failures
- Re-sync counters between retries
- Add better error messages for debugging

## Implementation
Location: internal/storage/sqlite/collision.go:342 (RemapCollisions function)

```go
// Retry up to 3 times on UNIQUE constraint failures
for attempt := 0; attempt < 3; attempt++ {
    err := s.db.ExecInTransaction(func(tx *sql.Tx) error {
        // All collision resolution operations
    })
    if !isUniqueConstraintError(err) {
        return err
    }
    s.SyncAllCounters(ctx)
}
```

## Success Criteria
- 5-clone collision test passes reliably
- No partial state on UNIQUE constraint errors
- Automatic recovery from transient ID conflicts

## References
- See beads_nway_test.go:124 for the KNOWN LIMITATION comment
- Related to-7c5915ae (transaction support)

## Progress Made

1. Added `ExecInTransaction` helper to SQLiteStorage for atomic database operations
2. Added `IsUniqueConstraintError` function to detect UNIQUE constraint violations
3. Wrapped `RemapCollisions` with retry logic (up to 3 attempts) with counter sync between retries
4. Enhanced `handleRename` to detect and handle race conditions where target ID already exists
5. Added defensive checks for when old ID has been deleted by another clone

## Test Results

The changes improve N-way collision handling but don't fully solve the problem:
- Original error: `UNIQUE constraint failed: issues.id` during first convergence round
- With changes: Test proceeds further but encounters different collision scenarios
- New error: `target ID already exists with different content` in later convergence rounds

## Root Cause Analysis

The issue is more complex than initially thought. In N-way scenarios:
1. Clone A remaps bd-1c63eb84 → test-2 → test-4
2. Clone B remaps bd-1c63eb84 → test-3 → test-4
3. Both try to create test-4, but with different intermediate states
4. This creates legitimate content collisions that require additional resolution

## Next Steps

The full solution requires:
1. Making remapping fully deterministic across clones (same input → same remapped ID)
2. OR making `handleRename` more tolerant of mid-flight collisions
3. OR implementing full transaction support for multi-step collision resolution -7c5915ae)

The retry logic added here provides a foundation but isn't sufficient for complex N-way scenarios.


Refactor sqlite.go (2298 lines)

Break down internal/storage/sqlite/sqlite.go into smaller, more focused modules. The file is currently 2298 lines and should be split into logical components.


Investigate jujutsu VCS as potential solution for conflict-free merging

## Context
Current N-way collision resolution struggles with Git line-based merge model. When 5+ clones create issues with same ID, Git merge conflicts require manual resolution, and our collision resolver can fail during convergence rounds.

## Research Question
Could jujutsu (jj) provide better conflict handling for JSONL files?

## Jujutsu Overview
- Next-gen VCS built on libgit2
- Designed to handle conflicts as first-class citizens
- Supports conflict-free replicated data types (CRDTs) in some scenarios
- Better handling of concurrent edits
- Can work with Git repos (compatible with existing infrastructure)

## Investigation Tasks
1. JSONL Merge Behavior - How does jj handle line-by-line JSONL conflicts?
2. Integration Feasibility - Can beads use jj as backend while maintaining Git compatibility?
3. Conflict Resolution Model - Does jj conflict model map to our collision resolution?
4. Operational Transform Support - Does jj implement operational transforms?

## Deliverables
1. Technical report on jj merge algorithm for JSONL
2. Proof-of-concept: 5-clone collision test using jj instead of Git
3. Performance comparison: Git vs jj for beads workload
4. Recommendation: Adopt, experiment further, or abandon

## References
- https://github.com/martinvonz/jj
- Related to bd-e6d71828, bd-7a2b58fc


Implement log rotation for daemon.log

**File:** .beads/daemon.log (currently 5.7 MB)

**Issue:** Daemon log can grow unbounded with no rotation policy. Could consume disk space on long-running daemons.

**Recommended Solution:**
- Implement log rotation with retention policy
- Default: max 50MB per file, keep 7 files
- Configuration option in config.yaml
- Use standard log rotation library or implement simple rotation

**Impact:** Low priority but good operational hygiene for production use.


CRDT-based architecture for guaranteed convergence (v2.0)

## Vision
Redesign beads around Conflict-Free Replicated Data Types (CRDTs) to provide mathematical guarantees for N-way collision resolution at arbitrary scale.

## Current Limitations
- Content-hash based collision resolution fails at 5+ clones
- Non-deterministic convergence in multi-round scenarios
- UNIQUE constraint violations during rename operations
- No formal proof of convergence properties

## CRDT Benefits
- Provably convergent (Strong Eventual Consistency)
- Commutative/Associative/Idempotent operations
- No coordination required between clones
- Scales to 100+ concurrent workers
- Well-understood mathematical foundations

## Proposed Architecture

### 1. UUID-Based IDs
Replace sequential IDs with UUIDs:
- Current: bd-1c63eb84, bd-9063acda, bd-4d80b7b1
- CRDT: bd-a1b2c3d4-e5f6-7890-abcd-ef1234567890
- Human aliases maintained separately: #42 maps to UUID

### 2. Last-Write-Wins (LWW) Elements
Each field becomes an LWW register:
- title: (timestamp, clone_id, value)
- status: (timestamp, clone_id, value)
- Deterministic conflict resolution via Lamport timestamp + clone_id tiebreaker

### 3. Operation Log
Track all operations as CRDT ops:
- CREATE(uuid, timestamp, clone_id, fields)
- UPDATE(uuid, field, timestamp, clone_id, value)
- DELETE(uuid, timestamp, clone_id) - tombstone, not hard delete

### 4. Sync as Merge
Syncing becomes merging two CRDT states:
- No merge conflicts possible
- Deterministic merge function
- Guaranteed convergence

## Implementation Phases

### Phase 1: Research & Design (4 weeks)
- Study existing CRDT implementations (Automerge, Yjs, Loro)
- Design schema for CRDT-based issue tracking
- Prototype LWW-based Issue CRDT
- Benchmark performance vs current system

### Phase 2: Parallel Implementation (6 weeks)
- Implement CRDT storage layer alongside SQLite
- Build conversion tools: SQLite ↔ CRDT
- Maintain backward compatibility with v1.x format
- Migration path for existing databases

### Phase 3: Testing & Validation (4 weeks)
- Formal verification of convergence properties
- Stress testing with 100+ clone scenario
- Performance profiling and optimization
- Documentation and examples

### Phase 4: Migration & Rollout (4 weeks)
- Release v2.0-beta with CRDT backend
- Gradual migration from v1.x
- Monitoring and bug fixes
- Final v2.0 release

## Risks & Mitigations

**Risk 1: Performance overhead**
- Mitigation: Benchmark early, optimize hot paths
- CRDTs can be slower than append-only logs
- May need compaction strategy

**Risk 2: Storage bloat**
- Mitigation: Implement operation log compaction
- Tombstone garbage collection for deleted issues
- Periodic snapshots to reduce log size

**Risk 3: Breaking changes**
- Mitigation: Maintain v1.x compatibility layer
- Gradual migration tools
- Dual-mode operation during transition

**Risk 4: Complexity**
- Mitigation: Use battle-tested CRDT libraries
- Comprehensive documentation
- Clear migration guide

## Success Criteria
- 100-clone collision test passes without failures
- Formal proof of convergence properties
- Performance within 2x of current system
- Zero manual conflict resolution required
- Backward compatible with v1.x databases

## Timeline
18-20 weeks total (4-5 months)

## References
- Automerge: https://automerge.org
- Yjs: https://docs.yjs.dev
- Loro: https://loro.dev
- CRDT theory: Shapiro et al, A comprehensive study of CRDTs
- Related issues: bd-0dcea000, bd-4d7fca8a, bd-6221bdcd


Add tests for extracted modules

Create tests for migrations.go, hash_ids.go, batch_ops.go, and validators.go


Issue 1 to reopen


Implement bd resolve-conflicts (git merge conflicts in JSONL)

Automatically detect and resolve git merge conflicts in .beads/issues.jsonl file.

Features:
- Detect conflict markers in JSONL
- Parse conflicting issues from HEAD and BASE
- Provide mechanical resolution (remap duplicate IDs)
- Support AI-assisted resolution (requires internal/ai package)

See repair_commands.md lines 125-353 for design.


Add topological sort utility functions

Create internal/importer/sort.go with utilities for depth-based sorting of issues. Functions: GetHierarchyDepth(id), SortByDepth(issues), GroupByDepth(issues). Include stable sorting for same-depth issues.


Complete remaining sync branch daemon tests

4 remaining test scenarios in daemon_sync_branch_test.go need completion:

⚠ MINOR FIXES (apply same pattern as TestSyncBranchCommitAndPush_Success):
1. TestSyncBranchCommitAndPush_NoChanges
   - Reorder: call initMainBranch() BEFORE creating JSONL
   - Pattern: init branch → create issue → export JSONL → test

2. TestSyncBranchCommitAndPush_WorktreeHealthCheck
   - Same reordering needed
   - Verify worktree corruption detection and auto-repair

🔧 MORE WORK NEEDED (remote branch setup):
3. TestSyncBranchPull_Success
   - Issue: remote doesn't have sync branch after push
   - Need to verify branch is pushed to remote correctly
   - Then test pull from clone2

4. TestSyncBranchIntegration_EndToEnd
   - Full workflow: Agent A commits → Agent B pulls → Agent B commits → Agent A pulls
   - Same remote branch issue

Pattern to apply (from TestSyncBranchCommitAndPush_Success):
- Call initMainBranch(t, dir) BEFORE creating issues/JSONL
- This ensures sync branch worktree has changes to commit

Acceptance:
- All 7 tests pass
- go test -v -run TestSyncBranch ./cmd/bd/ succeeds


Test update


Add TestThreeCloneCollision for regression protection

Add a 3-clone collision test to document behavior and provide regression protection.

Purpose:
- Verify content convergence regardless of sync order
- Document the ID non-determinism behavior (IDs may be assigned differently based on sync order)
- Provide regression protection for multi-way collisions

Test design:
- 3 clones create same ID with different content
- Test two different sync orders (A→B→C vs C→A→B)
- Assert content sets match (ignore specific ID assignments)
- Add comment explaining ID non-determinism is expected behavior

Known limitation:
- Content always converges correctly (all issues present with correct titles)
- Numeric ID assignments (test-2 vs test-3) depend on sync order
- This is acceptable if content convergence is the primary goal


Test issue 2


Test dependency parent


Publish bd-wasm to npm

Package and publish WASM build to npm. Child of epic bd-44d0.

## Tasks
- [ ] Optimize WASM bundle (compression)
- [ ] Create README for npm package
- [ ] Set up npm publishing workflow
- [ ] Publish v0.1.0-alpha
- [ ] Test installation in clean environment
- [ ] Update beads AGENTS.md with installation instructions

## Package Name
bd-wasm (or @beads/wasm-cli)


Document bd info --whats-new in AGENTS.md

Add prominent documentation about bd info --whats-new to help agents discover upgrade changes.

## Changes Needed
1. Add to 'What's New' section (line 13-28): Emphasize running bd info --whats-new after upgrades
2. Add to 'Pro Tips for Agents' section (line 474-486): Include version check in session startup routine
3. Document the bd hooks install command for keeping hooks in sync

## Implementation
- Update AGENTS.md with clear examples
- Show both human-readable and --json output options
- Link to the discussion #239 as motivation

## Acceptance Criteria
- Agents know to run bd info --whats-new after upgrades
- Clear guidance on when/why to use it
- Examples showing both output formats