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.


Add 'When to use daemon mode' decision tree to daemon.md

**Problem:**
Users (especially local-only developers) see daemon-related messages but don't understand:
- What daemon mode does (git sync automation)
- Whether they need it
- Why they see "daemon_unsupported" messages

Related to issue #349 item #3.

**Current state:**
commands/daemon.md explains WHAT daemon does but not WHEN to use it.

**Proposed addition:**
Add a "When to Use Daemon Mode" section after line 20 in commands/daemon.md with clear decision criteria:

**✅ You SHOULD use daemon mode if:**
- Working in a team with git remote sync
- Want automatic commit/push of issue changes
- Need background auto-sync (5-second debounce)
- Making frequent bd commands (performance benefit)

**❌ You DON'T need daemon mode if:**
- Solo developer with local-only tracking
- Working in git worktrees (use --no-daemon)
- Running one-off commands/scripts
- Debugging database issues

**Local-only users:** Direct mode is perfectly fine. Daemon mainly helps with git sync automation. You can use `bd sync` manually when needed.

**Files to modify:**
- commands/daemon.md (add section after line 20)


Workaround for FastMCP outputSchema bug in Claude Code

The beads MCP server (v0.23.1) successfully connects to Claude Code, but all tools fail to load with a schema validation error due to a bug in FastMCP 2.13.1.

Error: "Invalid literal value, expected \"object\"" in outputSchema.

Root Cause: FastMCP generates outputSchema with $ref at root level without "type": "object" for self-referential models (Issue).

Workaround: Use slash commands (/beads:ready) or wait for FastMCP fix.


Add tests for Comments API (AddIssueComment, GetIssueComments)

Comments API currently has 0% coverage. Need tests for:
- AddIssueComment - adding comments to issues
- GetIssueComments - retrieving comments
- Comment ordering and pagination
- Edge cases (non-existent issues, empty comments)


Improve test coverage for cmd/bd CLI (26.2% → 50%)

The main CLI package (cmd/bd) has only 26.2% test coverage. CLI commands should have at least 50% coverage to ensure reliability.

Key areas with low/no coverage:
- daemon_autostart.go (multiple 0% functions)
- compact.go (several 0% functions)
- Various command handlers

Current coverage: 26.2%
Target coverage: 50%


bd sync: use worktree for sync.branch commits (non-daemon mode)

## Summary

When `sync.branch` is configured (e.g., `beads-sync`), `bd sync` should commit beads changes to that branch via git worktree, even when the user's working directory is on a different branch (e.g., `main`).

Currently:
- `bd sync` always commits to the current branch
- Daemon with `--auto-commit` uses worktrees to commit to sync branch
- Gap: `bd sync` ignores sync.branch config

## Goal

Workers stay on `main` (or feature branches) while beads metadata automatically flows to `beads-sync` branch. No daemon required.

## Design Considerations

1. **Worktree lifecycle**: Create on first use, reuse thereafter
2. **Daemon interaction**: Ensure daemon and bd sync don't conflict
3. **MCP server**: Uses daemon or direct mode - needs same behavior
4. **Pull semantics**: Pull from sync branch, not current branch
5. **Push semantics**: Push to sync branch remote
6. **Error handling**: Worktree corruption, missing branch, etc.

## Affected Components

- `cmd/bd/sync.go` - Main changes
- `cmd/bd/daemon_sync_branch.go` - Reuse existing functions
- `internal/git/worktree.go` - Already implemented
- MCP server (if it bypasses daemon)

## Edge Cases

- Fresh clone (no sync branch exists yet)
- Worktree exists but is corrupted
- Concurrent bd sync from multiple processes
- sync.branch configured but remote doesn't have that branch
- User switches sync.branch config mid-session


Tombstone export includes tombstones even with --status filter

In export.go, we set IncludeTombstones: true unconditionally. However, if a user runs:

  bd export --status=open

They might not expect tombstones in the output. The IncludeTombstones flag should probably only be set when no status filter is specified, or when --status=tombstone is explicitly requested.

Current behavior: exports tombstones regardless of status filter
Expected behavior: respect status filter, only include tombstones when explicitly requested or no filter


Test parent issue


Consolidate check-health DB opens into single connection

The --check-health flag opens the database 3 separate times (once per quick check). Consolidate into a single DB open for better performance, especially on slower filesystems.


Add import.orphan_handling config option

Add configuration option to control orphan handling behavior: 'strict' (fail on missing parent, current behavior), 'resurrect' (auto-resurrect from JSONL, recommended default), 'skip' (skip orphaned issues with warning), 'allow' (import orphans without validation). Update CONFIG.md documentation.


Add tests for DetectCycles to improve coverage from 29.6%

DetectCycles currently has 29.6% coverage. Need comprehensive tests for:
- Simple cycles (A->B->A)
- Complex multi-node cycles
- Acyclic graphs (should not detect cycles)
- Self-loops
- Multiple independent cycles
- Edge cases (empty graph, single node)


Update bash-agent example with Agent Mail integration

Add Agent Mail integration to examples/bash-agent/agent.sh using curl for HTTP calls.

Acceptance Criteria:
- Health check function using curl
- Reserve issue before claiming
- Send notifications on status change
- Release on completion
- Graceful degradation if curl fails
- No bash errors when Agent Mail unavailable

File: examples/bash-agent/agent.sh


Add orphan detection migration

Create migration to detect orphaned children in existing databases. Query: SELECT id FROM issues WHERE id LIKE '%.%' AND substr(id, 1, instr(id || '.', '.') - 1) NOT IN (SELECT id FROM issues). Log results, let user decide action (delete orphans or convert to top-level).


Fixture Generator for Realistic Test Data

Create internal/testutil/fixtures/fixtures.go with functions to generate realistic test data at scale.

Functions:
- LargeSQLite(storage) - 10K issues, native SQLite
- XLargeSQLite(storage) - 20K issues, native SQLite
- LargeFromJSONL(storage) - 10K issues imported from JSONL
- XLargeFromJSONL(storage) - 20K issues imported from JSONL

Data characteristics:
- Epic hierarchies (depth 4): Epic → Feature → Task → Subtask
- Cross-linked dependencies (tasks blocking across epics)
- Realistic status/priority/label distribution
- Representative assignees and temporal data

Implementation:
- Single file: internal/testutil/fixtures/fixtures.go
- No config structs, simple direct functions
- Seeded RNG for reproducibility
- Reusable by both benchmarks and tests


Add git operations for --hard reset

Implement git integration for hard reset mode.

## Operations Needed
1. `git rm -rf .beads/*.jsonl` - remove data files from index
2. `git commit -m 'beads: reset to clean state'` - commit removal
3. After re-init: `git add .beads/` and commit fresh state

## Edge Cases to Handle
- Uncommitted changes in .beads/ - warn or error
- Detached HEAD state - warn, maybe block
- Git not initialized - skip git ops, warn
- Git operations fail mid-way - clear error messaging

## Interface
```go
type GitState struct {
    IsRepo       bool
    IsDirty      bool   // uncommitted changes in .beads/
    IsDetached   bool   // detached HEAD
    Branch       string // current branch name
}

func CheckGitState(beadsDir string) (*GitState, error)
func GitRemoveBeads(beadsDir string) error
func GitCommitReset(message string) error
func GitAddAndCommit(beadsDir, message string) error
```

## Location
`internal/reset/git.go` - keep with reset package for now

Note: Codebase has no central git package. internal/compact/git.go is compact-specific.
Future refactoring could extract shared git utilities, but YAGNI for now.


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.


Fix linting error in migrate.go

Linter reports error:
```
cmd/bd/migrate.go:647:37: cleanupWALFiles - result 0 (error) is always nil (unparam)
```

The `cleanupWALFiles` function always returns nil, so the error return type should be removed or the function should actually return errors when appropriate.


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.


Fix unparam unused parameter in cmd/bd/doctor.go:1879

Linting issue: checkGitHooks - path is unused (unparam) at cmd/bd/doctor.go:1879:20. Error: func checkGitHooks(path string) doctorCheck {


Test all core bd commands in WASM for feature parity

Comprehensive testing of bd-wasm against native bd:
- Test all CRUD operations (create, update, show, close)
- Test dependency management (dep add, dep tree)
- Test sync operations (sync, import, export)
- Verify JSONL output matches native bd
- Run existing Go test suite in WASM if possible
- Benchmark performance (should be within 2x of native)


Standardize daemon detection: use tryDaemonLock probe before RPC

Before attempting RPC connection, call tryDaemonLock() to check if lock is held:
- If lock NOT held: skip RPC attempt (no daemon running)
- If lock IS held: proceed with RPC + short timeout

This is extremely cheap and eliminates unnecessary connection attempts.

Apply across all client entry points that probe for daemon.


Implement filesystem shims for WASM

WASM needs JS shims for filesystem access. Child of epic bd-44d0.

## Tasks
- [ ] Implement file read/write shims
- [ ] Map WASM syscalls to Node.js fs API
- [ ] Handle .beads/ directory discovery
- [ ] Test with real JSONL files
- [ ] Support both absolute and relative paths

## Technical Notes
- Use Node.js fs module via syscall/js
- Consider MEMFS for in-memory option


bd sync corrupts issues.jsonl in multi-clone environments

During parallel swarm operations on 2025-11-29, bd sync corrupted the issues database. Commit 93718056 purged all 80 issues from issues.jsonl.

Reproduction:
1. Multiple clones of same repo (polecat swarm)
2. Each clone runs bd sync in parallel
3. One sync overwrites others, resulting in data loss

Even in single-clone scenarios (~/src/beads), running bd sync after git pull seems to nuke the JSONL.

Workaround: Use bd import -i .beads/issues.jsonl --no-git-history instead of bd sync.

Root cause investigation needed. Options:
1. Pessimistic locking (flock)
2. Single point of merge (polecats on ephemeral branches)
3. Beads-level locking (bd sync --lock)


Test Epic 2

## 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


Backend task


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


Fix checkExistingBeadsData to be worktree-aware

The checkExistingBeadsData function in cmd/bd/init.go checks for .beads in the current working directory, but for worktrees it should check the main repository root instead. This prevents proper worktree compatibility.


Extract daemon logger functions to daemon_logger.go


Consider central serialization package for JSON handling

Multiple parts of the codebase handle JSON serialization of issues with slightly different approaches. Consider creating a centralized serialization package to ensure consistency.

Current serialization locations:
- `cmd/bd/export.go` - JSONL export (issues to file)
- `cmd/bd/import.go` - JSONL import (file to issues)
- `internal/rpc/protocol.go` - RPC JSON marshaling
- `internal/storage/memory/memory.go` - In-memory marshaling

Potential benefits:
- Single source of truth for JSON format
- Consistent field naming
- Easier to add new fields
- Centralized validation

Note: This is marked **optional** because:
- Current serialization mostly works
- May not provide enough benefit to justify refactor
- Risk of breaking compatibility

Decision point: Evaluate if benefits outweigh refactoring cost

Impact: TBD based on investigation - may defer to future work


Update documentation for hash IDs and aliases

Update all documentation to explain hash-based IDs and aliasing system.

## Files to Update

### 1. README.md
Add section explaining hash IDs:
```markdown
## Issue IDs

Beads uses **hash-based IDs** for collision-free distributed issue tracking:

- **Hash ID**: `bd-af78e9a2` (8-char SHA256 prefix, immutable, globally unique)
- **Alias**: `#42` (sequential number, mutable, human-friendly)

### Using IDs
```bash
bd show bd-af78e9a2   # Use hash ID
bd show #42           # Use alias
bd show 42            # Use alias (shorthand)
```

### Why Hash IDs?
- **Collision-free**: Work offline without ID conflicts
- **Distributed**: No coordination needed between clones
- **Git-friendly**: Different IDs = different JSONL lines, fewer merge conflicts

### Aliases
Aliases are workspace-local shortcuts for hash IDs. They're:
- Automatically assigned on issue creation
- Reassigned deterministically on sync (if conflicts)
- Can be manually controlled with `bd alias` commands
```

### 2. AGENTS.md
Update agent workflow:
```markdown
## Hash-Based IDs (v2.0+)

Beads v2.0 uses hash-based IDs to eliminate collision problems:

**When creating issues**:
```bash
bd create "Fix bug" -p 1
# → Creates bd-af78e9a2 with alias #1
```

**When referencing issues**:
- In text: Use hash IDs (stable): "See bd-af78e9a2 for details"
- In CLI: Use aliases (readable): `bd update #42 --status done`

**After sync**:
- Alias conflicts resolved automatically (content-hash ordering)
- No ID collisions possible
- No remapping needed

**Migration from v1.x**:
```bash
bd migrate --hash-ids  # One-time migration
```
```

### 3. QUICKSTART.md (if exists)
Show alias usage in examples:
```bash
# Create issue (gets hash ID + alias)
bd create "Fix authentication bug" -p 1
# → Created bd-af78e9a2 (alias: #1)

# Reference by alias
bd show #1
bd update #1 --status in_progress
bd close #1 --reason "Fixed"
```

### 4. ADVANCED.md
Add section on hash ID internals:
```markdown
## Hash ID Generation

Hash IDs are generated deterministically:

```go
SHA256(title || description || timestamp || workspace_id)[:8]
```

**Collision probability**:
- 8 hex chars = 2^32 space = ~4 billion IDs
- Birthday paradox: 50% collision probability at ~65,000 issues
- For typical projects (<10,000 issues), collision risk is negligible

**Collision detection**:
If a hash collision occurs (extremely rare), beads:
1. Detects on insert (UNIQUE constraint)
2. Appends random suffix: `bd-af78e9a2-a1b2`
3. Retries insert

## Alias Conflict Resolution

When multiple clones assign same alias to different issues:

**Strategy**: Content-hash ordering (deterministic)
- Sort conflicting issue IDs lexicographically
- Lowest hash ID keeps the alias
- Others reassigned to next available aliases

**Example**:
```
Clone A: Assigns #42 to bd-a1b2c3d4
Clone B: Assigns #42 to bd-e5f6a7b8
After sync: bd-a1b2c3d4 keeps #42 (lower hash)
            bd-e5f6a7b8 gets #100 (next available)
```
```

### 5. MIGRATION.md (new file)
```markdown
# Migrating to Hash-Based IDs (v2.0)

## Overview
Beads v2.0 introduces hash-based IDs to eliminate collision problems. This is a **breaking change** requiring migration.

## Migration Steps

### 1. Backup
```bash
cp -r .beads .beads.backup
git commit -am "Pre-migration backup"
```

### 2. Run Migration
```bash
# Dry run first
bd migrate --hash-ids --dry-run

# Apply migration
bd migrate --hash-ids
```

### 3. Commit Changes
```bash
git add .beads/issues.jsonl
git commit -m "Migrate to hash-based IDs (v2.0)"
git push origin main
```

### 4. Coordinate with Collaborators
All clones must migrate before syncing:
1. Notify team: "Migrating to v2.0 on [date]"
2. All collaborators pull latest
3. All run `bd migrate --hash-ids`
4. All push changes
5. Resume normal work

## Rollback
```bash
# Restore backup
mv .beads.backup .beads
bd export  # Regenerate JSONL
git checkout .beads/issues.jsonl
```

## FAQ

**Q: Can I mix v1.x and v2.0 clones?**
A: No. All clones must be on same version.

**Q: Will my old issue IDs work?**
A: No, but aliases preserve the numbers: bd-1c63eb84 → #1

**Q: What happens to links like "see bd-cb64c226.3"?**
A: Migration updates all text references automatically.
```

### 6. CHANGELOG.md
```markdown
## v2.0.0 (YYYY-MM-DD)

### Breaking Changes
- **Hash-based IDs**: Issues now use collision-free hash IDs (bd-af78e9a2)
  instead of sequential IDs (bd-1c63eb84, bd-9063acda)
- **Aliasing system**: Human-friendly aliases (#42) for hash IDs
- **Migration required**: Run `bd migrate --hash-ids` to convert v1.x databases

### Added
- `bd alias` command for manual alias control
- `bd migrate --hash-ids` migration tool
- Alias conflict resolution (deterministic, content-hash ordering)

### Removed
- ID collision detection and resolution (~2,100 LOC)
- `bd import --resolve-collisions` flag (no longer needed)

### Benefits
- ✅ Zero ID collisions in distributed workflows
- ✅ Simpler codebase (-1,350 net LOC)
- ✅ Better git merge behavior
- ✅ True offline-first operation
```

## Testing
- Build docs locally (if using doc generator)
- Check all links work
- Verify examples are correct
- Spellcheck

## Files to Create/Modify
- README.md (hash ID section)
- AGENTS.md (workflow updates)
- ADVANCED.md (internals)
- MIGRATION.md (new)
- CHANGELOG.md (v2.0 entry)
- docs/ (any other docs)


bd doctor: handle missing daemon registry gracefully

When no daemon has ever been started, bd doctor shows an error parsing the registry: 'failed to parse registry: invalid character 0 after top-level value'. The doctor should handle the case where ~/.bd/daemon/registry.json doesn't exist, treating it as 'no daemon running' rather than an error.


bd prime: AI context loading and Claude Code integration

Implement `bd prime` command and Claude Code hooks for context recovery. Hooks work with BOTH MCP server and CLI approaches - they solve the context memory problem (keeping bd workflow fresh after compaction) not the tool access problem (MCP vs CLI).


Switch from modernc.org/sqlite to ncruces/go-sqlite3 for WASM support

modernc.org/sqlite depends on modernc.org/libc which has no js/wasm support (platform-specific syscalls). Need to switch to ncruces/go-sqlite3 which wraps a WASM build of SQLite using wazero runtime.

Key differences:
- ncruces/go-sqlite3: Uses WASM build of SQLite + wazero runtime
- modernc.org/sqlite: Pure Go translation, requires libc for syscalls

This is a prerequisite for bd-62a0 (WASM build infrastructure).


Latency test 1

Resetting stale in_progress status from old executor run (yesterday)


Refactor AGENTS.md to use external references

Suggestion to use external references (e.g., "ALWAYS REFER TO ./beads/prompt.md") instead of including all instructions directly within AGENTS.md.
Reasons:
1. Agents can follow external references.
2. Prevents context pollution/stuffing in AGENTS.md as more tools append instructions.


Fix bd doctor hash ID detection for short all-numeric hashes

bd doctor incorrectly flags hash-based IDs as sequential when they are short (3-4 chars) and all-numeric (e.g., pf-158).

Root cause: isHashID() in cmd/bd/migrate_hash_ids.go:328-358 uses faulty heuristic:
- For IDs < 5 chars, only returns true if contains letters
- But base36 hash IDs can be 3+ chars and all-numeric (MinLength: 3)
- Example: pf-158 is valid hash ID but flagged as sequential

Fix: Check multiple IDs (10-20 samples) instead of single-ID pattern matching:
- Sample IDs across database
- Check majority pattern (sequential vs hash format)
- Sequential: 1-4 digits (bd-1, bd-2...)
- Hash: 3-8 chars base36 (pf-158, pf-3s9...)

Impact: False positive warnings in bd doctor output


Multi-repo contributor workflow support

Implement separate repository support for OSS contributors to prevent PR pollution while maintaining git ledger and multi-clone sync. Based on contributor-workflow-analysis.md Solution #4.


Add edge case tests for export metadata updates

## Current Coverage
TestExportUpdatesMetadata tests basic happy path only.

## Missing Test Cases

### 1. Multi-Repo Mode
- Export with multi-repo configuration
- Verify metadata updated for ALL JSONL files
- Critical gap (related to bd-ar2.2)

### 2. computeJSONLHash Failure
- JSONL file deleted/inaccessible after export
- Should log warning, not crash
- Verify behavior on next export

### 3. SetMetadata Failures
- Database write-protected
- Disk full
- Should log warnings, continue

### 4. os.Stat Failure
- JSONL file deleted after export, before stat
- Should handle gracefully (mtime just not updated)

### 5. Concurrent Exports
- Two daemon instances export simultaneously
- Verify metadata doesn't get corrupted
- Race condition test

### 6. Clock Skew
- System time goes backward between exports
- Verify mtime handling still works

### 7. Partial Export Failure
- Multi-repo mode: some exports succeed, some fail
- What metadata should be updated?

### 8. Large JSONL Files
- Performance test with large files (10k+ issues)
- Verify hash computation doesn't timeout

## Files
- cmd/bd/daemon_sync_test.go

## Implementation Priority
1. Multi-repo test (P1 - related to critical issue)
2. Failure handling tests (P2)
3. Performance/edge cases (P3)


Add WebSocket support

## Feature Request

[Describe the desired feature]

## Motivation

[Why is this feature needed? What problem does it solve?]

## Use Cases

1. **Use Case 1**: [description]
2. **Use Case 2**: [description]

## Proposed Solution

[High-level approach to implementing this feature]

## Alternatives Considered

- **Alternative 1**: [description and why not chosen]
- **Alternative 2**: [description and why not chosen]


Remove duplicate countIssuesInJSONLFile function

init.go and doctor.go both defined countIssuesInJSONLFile. Removed the init.go version which is now unused. The doctor.go version (which calls countJSONLIssues) is the canonical implementation.


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


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-e6d71828, bd-7a2b58fc,-1


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


Add test files for internal/storage

The internal/storage package has no test files at all. This package provides the storage interface abstraction.

Current coverage: N/A (no test files)
Target: Add basic interface tests


cmd/bd test suite is absurdly slow - 279 tests taking 8+ minutes

# Problem

The cmd/bd test suite is painfully slow:
- **279 tests** in cmd/bd alone
- Full suite takes **8+ minutes** to run
- Even with the 16 slowest integration tests now tagged with `integration` build tag, the remaining tests still take forever

This makes the development loop unusable. We can't wait 8+ minutes every time we want to run tests.

# Root Cause Analysis

## 1. Sheer Volume
279 tests is too many for a single package. Even at 0.1s per test, that's 28 seconds minimum just for cmd/bd.

## 2. Each Test Creates Full Database + Temp Directories
Every test does heavy setup:
- Creates temp directory (`t.TempDir()` or `os.MkdirTemp`)
- Initializes SQLite database
- Sets up git repo in many cases
- Creates full storage layer

Example from the tests:
```go
func setupCLITestDB(t *testing.T) string {
    tmpDir := createTempDirWithCleanup(t)
    runBDInProcess(t, tmpDir, "init", "--prefix", "test", "--quiet")
    return tmpDir
}
```

This happens 279 times!

## 3. Tests Are Not Properly Categorized
We have three types of tests mixed together:
- **Unit tests** - should be fast, test single functions
- **Integration tests** - test full workflows, need DB/git
- **End-to-end tests** - test entire CLI commands

They're all lumped together in cmd/bd, all running every time.

# What We've Already Fixed

Added `integration` build tags to 16 obviously-slow test files:
- import_profile_test.go (performance benchmarking tests)
- export_mtime_test.go (tests with time.Sleep calls)
- cli_fast_test.go (full CLI integration tests)
- delete_test.go, import_uncommitted_test.go, sync_local_only_test.go (git integration)
- And 10 more in internal/ packages

These are now excluded from the default `go test ./...` run.

# Proposed Solutions

## Option 1: Shared Test Fixtures (Quick Win)
Create a shared test database that multiple tests can use:
```go
var testDB *sqlite.SQLiteStorage
var testDBOnce sync.Once

func getSharedTestDB(t *testing.T) storage.Storage {
    testDBOnce.Do(func() {
        // Create one DB for all tests
    })
    return testDB
}
```

**Pros**: Easy to implement, immediate speedup
**Cons**: Tests become less isolated, harder to debug failures

## Option 2: Table-Driven Tests (Medium Win)
Collapse similar tests into table-driven tests:
```go
func TestCreate(t *testing.T) {
    tests := []struct{
        name string
        args []string
        want string
    }{
        {"basic issue", []string{"create", "Test"}, "created"},
        {"with description", []string{"create", "Test", "-d", "desc"}, "created"},
        // ... 50 more cases
    }

    db := setupOnce(t) // Setup once, not 50 times
    for _, tt := range tests {
        t.Run(tt.name, func(t *testing.T) {
            // test using shared db
        })
    }
}
```

**Pros**: Dramatically reduces setup overhead, tests run in parallel
**Cons**: Requires refactoring, tests share more state

## Option 3: Split cmd/bd Tests Into Packages (Big Win)
Move tests into focused packages:
- `cmd/bd/internal/clitests` - CLI integration tests (mark with integration tag)
- `cmd/bd/internal/unittests` - Fast unit tests
- Keep only essential tests in cmd/bd

**Pros**: Clean separation, easy to run just fast tests
**Cons**: Requires significant refactoring

## Option 4: Parallel Execution (Quick Win)
Add `t.Parallel()` to independent tests:
```go
func TestSomething(t *testing.T) {
    t.Parallel() // Run this test concurrently with others
    // ...
}
```

**Pros**: Easy to add, can cut time in half on multi-core machines
**Cons**: Doesn't reduce actual test work, just parallelizes it

## Option 5: In-Memory Databases (Medium Win)
Use `:memory:` SQLite databases instead of file-based:
```go
store, err := sqlite.New(ctx, ":memory:")
```

**Pros**: Faster than disk I/O, easier cleanup
**Cons**: Some tests need actual file-based DBs (export/import tests)

# Recommended Approach

**Short-term (this week)**:
1. Add `t.Parallel()` to all independent tests in cmd/bd
2. Use `:memory:` databases where possible
3. Create table-driven tests for similar test cases

**Medium-term (next sprint)**:
4. Split cmd/bd tests into focused packages
5. Mark more integration tests appropriately

**Long-term (backlog)**:
6. Consider shared test fixtures with proper isolation

# Current Status

We've tagged 16 files with `integration` build tag, but the remaining 279 tests in cmd/bd still take 8+ minutes. This issue tracks fixing the cmd/bd test performance specifically.

# Target

Get `go test ./...` (without `-short` or `-tags=integration`) down to **under 30 seconds**.

# THE REAL ROOT CAUSE (Updated Analysis)

After examining the actual test code, the problem is clear:

## Every Test Creates Its Own Database From Scratch

Look at `create_test.go`:
```go
func TestCreate_BasicIssue(t *testing.T) {
    tmpDir := t.TempDir()                          // ← Creates temp dir
    testDB := filepath.Join(tmpDir, ".beads", "beads.db")
    s := newTestStore(t, testDB)                   // ← Opens NEW SQLite connection
                                                    // ← Runs migrations
                                                    // ← Sets config
    // ... actual test (3 lines)
}

func TestCreate_WithDescription(t *testing.T) {
    tmpDir := t.TempDir()                          // ← Creates ANOTHER temp dir
    testDB := filepath.Join(tmpDir, ".beads", "beads.db")
    s := newTestStore(t, testDB)                   // ← Opens ANOTHER SQLite connection
    // ... actual test (3 lines)
}
```

**This happens 279 times!**

## These Tests Don't Need Isolation!

Most tests are just checking:
- "Can I create an issue with a title?"
- "Can I create an issue with a description?"
- "Can I add labels?"

They don't conflict with each other. They could all share ONE database!

## The Fix: Test Suites with Shared Setup

Instead of:
```go
func TestCreate_BasicIssue(t *testing.T) {
    s := newTestStore(t, t.TempDir()+"/db")  // ← Expensive!
    // test
}

func TestCreate_WithDesc(t *testing.T) {
    s := newTestStore(t, t.TempDir()+"/db")  // ← Expensive!
    // test
}
```

Do this:
```go
func TestCreate(t *testing.T) {
    // ONE setup for all subtests
    s := newTestStore(t, t.TempDir()+"/db")

    t.Run("basic_issue", func(t *testing.T) {
        t.Parallel()  // Can run concurrently - tests don't conflict
        // test using shared `s`
    })

    t.Run("with_description", func(t *testing.T) {
        t.Parallel()
        // test using shared `s`
    })

    // ... 50 more subtests, all using same DB
}
```

**Result**: 50 tests → 1 database setup instead of 50!

## Why This Works

SQLite is fine with concurrent reads and isolated transactions. These tests:
- ✅ Create different issues (no ID conflicts)
- ✅ Just read back what they created
- ✅ Don't depend on database state from other tests

They SHOULD share a database!

## Real Numbers

Current:
- 279 tests × (create dir + init SQLite + migrations) = **8 minutes**

After fix:
- 10 test suites × (create dir + init SQLite + migrations) = **30 seconds**
- 279 subtests running in parallel using those 10 DBs = **5 seconds**

**Total: ~35 seconds instead of 8 minutes!**

## Implementation Plan

1. **Group related tests** into suites (Create, List, Update, Delete, etc.)
2. **One setup per suite** instead of per test
3. **Use t.Run() for subtests** with t.Parallel()
4. **Keep tests that actually need isolation** separate (export/import tests, git operations)

This is way better than shuffling tests into folders!

## Progress Update (2025-11-21)

✅ **Completed**:
- Audited all 280 tests, created TEST_SUITE_AUDIT.md ([deleted:bd-c49])
- Refactored create_test.go to shared DB pattern ([deleted:bd-y6d])
- Proven the pattern works: 11 tests now run in 0.04s with 1 DB instead of 11

❌ **Current Reality**:
- Overall test suite: Still 8+ minutes (no meaningful change)
- Only 1 of 76 test files refactored
- Saved ~10 DB initializations out of 280

## Acceptance Criteria (REALISTIC)

This task is NOT complete until:
- [ ] All P1 files refactored (create ✅, dep, stale, comments, list, ready)
- [ ] Test suite runs in < 2 minutes
- [ ] Measured and verified actual speedup

## Next Steps

1. Refactor remaining 5 P1 files: dep_test.go, stale_test.go, comments_test.go, list_test.go, ready_test.go
2. Measure actual time improvement after each file
3. Continue with P2 files if needed to hit <2min target


Investigate and optimize test suite performance

Test suite is taking very long to run (>45s for cmd/bd tests, full suite timing unknown but was cancelled).

This impacts development velocity and CI/CD performance.

Investigation needed:
- Profile which tests are slowest
- Identify bottlenecks (disk I/O, network, excessive setup/teardown?)
- Consider parallelization opportunities
- Look for redundant test cases
- Check if integration tests can be optimized


Batch test 3


formatVanishedIssues output order is non-deterministic


bd sync --squash: batch multiple syncs into single commit

For solo developers who don't need real-time multi-agent coordination, add a --squash option to bd sync that accumulates changes and commits them in a single commit rather than one commit per sync.

This addresses the git history pollution concern (many 'bd sync: timestamp' commits) while preserving the default behavior needed for orchestration.

**Proposed behavior:**
- `bd sync --squash` accumulates pending exports
- Only commits when explicitly requested or on session end
- Default behavior unchanged (immediate commits for orchestration)

**Use case:** Solo developers who want cleaner git history but don't need real-time coordination between agents.

**Related:** PR #411 (docs: reduce bd sync commit pollution)
**See also:** Multi-repo support as alternative solution (docs/MULTI_REPO_AGENTS.md)


Test integration issue

This is a real integration test


Add tests for daemon config module


Add index usage verification test for external_ref lookups

Currently we test that idx_issues_external_ref index exists, but we don't verify that it's actually being used by the query planner.

Proposed solution:
- Add test using EXPLAIN QUERY PLAN
- Verify that 'SEARCH TABLE issues USING INDEX idx_issues_external_ref' appears in plan
- Ensures O(1) lookup performance is maintained

Related: bd-1022
Files: internal/storage/sqlite/external_ref_test.go:260


Improve bd doctor output formatting for better readability

The current bd doctor output is a wall of text that's hard to process. Consider improvements like:
- Grouping related checks into collapsible sections
- Using color/bold for section headers
- Showing only failures/warnings by default with --verbose for full output
- Better visual hierarchy between major sections
- Summary line at top (e.g., '24 checks passed, 0 warnings, 0 errors')


Implement postinstall script for binary download

Create npm/scripts/postinstall.js that downloads platform-specific binaries:

## Platform detection
- Detect os.platform() and os.arch()
- Map to GitHub release asset names:
  - linux-amd64 → bd-linux-amd64
  - linux-arm64 → bd-linux-arm64
  - darwin-amd64 → bd-darwin-amd64
  - darwin-arm64 → bd-darwin-arm64
  - win32-x64 → bd-windows-amd64.exe

## Download logic
- Fetch from GitHub releases: https://github.com/steveyegge/beads/releases/latest/download/${asset}
- Save to npm/bin/bd (or bd.exe on Windows)
- Set executable permissions (chmod +x)
- Handle errors gracefully with helpful messages

## Error handling
- Check for unsupported platforms
- Retry on network failures
- Provide manual download instructions if automated fails
- Skip download if binary already exists (for local development)


Issue to reopen with reason


UX nightmare: multiple ways daemon can fail with misleading messages


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)


Deletion propagation via deletions manifest

## Problem

When `bd cleanup -f` or `bd delete` removes issues in one clone, those deletions don't propagate to other clones. The import logic only creates/updates, never deletes. This causes "resurrection" where deleted issues reappear.

## Root Cause

Import sees DB issues not in JSONL and assumes they're "local unpushed work" rather than "intentionally deleted upstream."

## Solution: Deletions Manifest

Add `.beads/deletions.jsonl` - an append-only log of deleted issue IDs with metadata.

### Format
```jsonl
{"id":"bd-xxx","ts":"2025-11-25T10:00:00Z","by":"stevey"}
{"id":"bd-yyy","ts":"2025-11-25T10:05:00Z","by":"claude","reason":"duplicate of bd-zzz"}
```

### Fields
- `id`: Issue ID (required)
- `ts`: ISO 8601 UTC timestamp (required)
- `by`: Actor who deleted (required)
- `reason`: Optional context ("cleanup", "duplicate of X", etc.)

### Import Logic
```
For each DB issue not in JSONL:
  1. Check deletions manifest → if found, delete from DB
  2. Fallback: check git history → if found, delete + backfill manifest
  3. Neither → keep (local unpushed work)
```

### Conflict Resolution
Simultaneous deletions from multiple clones are handled naturally:
- Append-only design means both clones append their deletion records
- On merge, file contains duplicate entries (same ID, different timestamps)
- `LoadDeletions` deduplicates by ID (keeps any/first entry)
- Result: deletion propagates correctly, duplicates are harmless

### Pruning Policy
- Default retention: 7 days (configurable via `deletions.retention_days`)
- Auto-compact during `bd sync` is **opt-in** (disabled by default)
- Hard cap: `deletions.max_entries` (default 50000)
- Git fallback handles pruned entries (self-healing)

### Self-Healing
When git fallback catches a resurrection (pruned entry), it backfills the manifest. One-time git scan cost, then fast again.

### Size Estimates
- ~80 bytes/entry
- 7-day retention with 100 deletions/day = ~56KB
- Git compressed: ~10KB

## Benefits
- ✅ Deletions propagate across clones
- ✅ O(1) lookup (no git scan in normal case)
- ✅ Works in shallow clones
- ✅ Survives history rewrite
- ✅ Audit trail (who deleted what when)
- ✅ Self-healing via git fallback
- ✅ Bounded size via time-based pruning

## References
- Investigation session: 2025-11-25
- Related: bd-2q6d (stale database warnings)


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.


Parameterize SQLite busy_timeout in store.go

Modify sqlite.New() to accept configurable busy_timeout.

## Current State
`internal/storage/sqlite/store.go` hardcodes:
```go
connStr = "file:" + path + "?_pragma=foreign_keys(ON)&_pragma=busy_timeout(30000)&..."
```

## Implementation Options

### Option A: Add timeout parameter to New()
```go
func New(ctx context.Context, path string, busyTimeout time.Duration) (*SQLiteStorage, error)
```
Pro: Simple, explicit
Con: Changes function signature (breaking change for callers)

### Option B: Options struct pattern
```go
type Options struct {
    BusyTimeout time.Duration // default 30s
}
func New(ctx context.Context, path string, opts *Options) (*SQLiteStorage, error)
```
Pro: Extensible, nil means defaults
Con: More boilerplate

### Recommendation: Option A with default
```go
func New(ctx context.Context, path string) (*SQLiteStorage, error) {
    return NewWithOptions(ctx, path, 30*time.Second)
}

func NewWithOptions(ctx context.Context, path string, busyTimeout time.Duration) (*SQLiteStorage, error)
```

## Acceptance Criteria
- busy_timeout is parameterized in connection string
- 0 timeout means no waiting (immediate SQLITE_BUSY)
- All existing callers continue to work (via default wrapper)

Part of bd-olc1


Enforce daemon singleton per workspace with file locking

Agent in ~/src/wyvern discovered 4 simultaneous daemon processes running, causing infinite directory recursion (.beads/.beads/.beads/...). Each daemon used relative paths and created nested .beads/ directories.

Root cause: No singleton enforcement. Multiple `bd daemon` processes can start in same workspace.

Expected: One daemon per workspace (each workspace = separate .beads/ dir with bd.sock)
Actual: Multiple daemons can run simultaneously in same workspace

Note: Separate git clones = separate workspaces = separate daemons (correct). Git worktrees share .beads/ and have known limitations (documented, use --no-daemon).

## Fix Summary

Successfully prevented the nested .beads/.beads/ recursion bug by implementing two safeguards:

1. **Path Canonicalization in FindDatabasePath()** (beads.go):
   - Added filepath.Abs() + filepath.EvalSymlinks() to normalize all database paths
   - Prevents relative path edge cases that create nested directories
   - Ensures all daemons see the same canonical path

2. **Nested Directory Detection** (daemon_lifecycle.go):
   - Added explicit check for ".beads/.beads" pattern in setupDaemonLock()
   - Fails fast with clear error message if nested structure detected
   - Provides user hints about proper usage

## Root Cause

The daemon lock (added Oct 22, 2025) correctly prevents simultaneous daemons in the SAME workspace. However, when BEADS_DB used a relative path (e.g., ".beads/beads.db") from inside the .beads directory, FindDatabasePath() would resolve it to a nested path creating a separate workspace:
- First daemon: /workspace/.beads/beads.db
- Second daemon from .beads/: /workspace/.beads/.beads/beads.db ← Different lock file!

## Testing

All acceptance criteria passed:
✅ 1. Second daemon start fails with "daemon already running" error
✅ 2. Killing daemon releases lock, new daemon can start
✅ 3. No infinite .beads/ recursion possible (tested nested BEADS_DB path)
✅ 4. Works with auto-start mechanism

The fix addresses the edge case while maintaining the existing lock mechanism's correctness.


bd-hv01: Add comprehensive edge case tests for deletion tracking

Need to add tests for: corrupted snapshot file, stale snapshot (> 1 hour), concurrent sync operations (daemon + manual), partial deletion failure, empty remote JSONL, multi-repo mode with deletions, git worktree scenario.

Also refine TestDeletionWithLocalModification to check for specific conflict error instead of accepting any error.

Files: cmd/bd/deletion_tracking_test.go


Implement core reset package (internal/reset)

Create the core reset logic in internal/reset/ package.

## Responsibilities
- ResetOptions struct with all flag options
- CountImpact() - count issues/tombstones that will be deleted
- ValidateState() - check .beads/ exists, check git dirty state
- ExecuteReset() - main reset logic (without CLI concerns)
- Integrate with daemon killall

## Interface Design
```go
type ResetOptions struct {
    Hard      bool   // Include git operations (git rm, commit)
    Backup    bool   // Create backup before reset
    DryRun    bool   // Preview only, don't execute
    SkipInit  bool   // Don't re-initialize after reset
}

type ResetResult struct {
    IssuesDeleted     int
    TombstonesDeleted int
    BackupPath        string  // if backup was created
    DaemonsKilled     int
}

type ImpactSummary struct {
    IssueCount      int
    OpenCount       int
    ClosedCount     int
    TombstoneCount  int
    HasUncommitted  bool  // git dirty state
}

func Reset(opts ResetOptions) (*ResetResult, error)
func CountImpact() (*ImpactSummary, error)
func ValidateState() error
```

## IMPORTANT: CLI vs Core Separation
- `Force` (skip confirmation) is NOT in ResetOptions - that's a CLI concern
- Core always executes when called; CLI decides whether to prompt first
- Keep CLI-agnostic: no prompts, no colored output, no user interaction
- Return errors for CLI to handle with user-friendly messages
- Unit testable in isolation

## Dependencies
- Uses daemon.KillAllDaemons() from internal/daemon/
- Calls bd init logic after reset (unless SkipInit)


Remove Daemon Storage Cache

The daemon's multi-repo storage cache is the root cause of stale data bugs. Since global daemon is deprecated, we only ever serve one repository, making the cache unnecessary complexity. This epic removes the cache entirely for simpler, more reliable direct storage access.


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)


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


Batch test 4


Add Claude Code web installation docs to README

GH #439 reported installation issues in Claude Code web environment. The go install fallback works, but users need guidance. Add a section to README documenting the workaround: go install + PATH export.


Rapid 2


Clean up linter errors (914 total issues)

The codebase has 914 linter issues reported by golangci-lint. While many are documented as baseline in LINTING.md, we should clean these up systematically to improve code quality and maintainability.

Reduced from 56 to 41 issues locally, then to 0 issues.

**Fixed in commits:**
- c2c7eda: Fixed 15 actual errors (dupl, gosec, revive, staticcheck, unparam)
- 963181d: Configured exclusions to get to 0 issues locally

**Current status:**
- ✅ Local: golangci-lint reports 0 issues
- ❌ CI: Still failing (see [deleted:bd-cb64c226.1])

**Problem:**
Config v2 format or golangci-lint-action@v8 compatibility issue causing CI to fail despite local success.

**Next:** Debug [deleted:bd-cb64c226.1] to fix CI/local discrepancy


bd init resets metadata.json jsonl_export to beads.jsonl, ignoring existing issues.jsonl

When running 'bd init --prefix bd' in a repo that already has .beads/issues.jsonl, the init command overwrites metadata.json and sets jsonl_export back to 'beads.jsonl' instead of detecting and respecting the existing issues.jsonl file.

Steps to reproduce:
1. Have a repo with .beads/issues.jsonl (canonical) and metadata.json pointing to issues.jsonl
2. Delete beads.db and run 'bd init --prefix bd'
3. Check metadata.json - it now says jsonl_export: beads.jsonl

Expected: Init should detect existing issues.jsonl and use it.

Workaround: Manually edit metadata.json after init.


Fix autoimport tests for content-hash collision scoring

## Overview
Three autoimport tests are failing after [deleted:bd-cbed9619.4] because they expect behavior based on the old reference-counting collision resolution, but the system now uses deterministic content-hash scoring.

## Failing Tests
1. `TestAutoImportMultipleCollisionsRemapped` - expects local versions preserved
2. `TestAutoImportAllCollisionsRemapped` - expects local versions preserved
3. `TestAutoImportCollisionRemapMultipleFields` - expects specific collision resolution behavior

## Root Cause
These tests were written when ScoreCollisions used reference counting to determine which version to keep. Now it uses content-hash comparison (introduced in commit 2e87329), which produces different but deterministic results.

## Example
Old behavior: Issue with more references would be kept
New behavior: Issue with lexicographically lower content hash is kept

## Solution
Update each test to:
1. Verify the new content-hash based behavior is correct
2. Check that the remapped issue (not necessarily local/remote) has the expected content
3. Ensure dependencies are preserved on the correct remapped issue

## Acceptance Criteria
- All three autoimport tests pass
- Tests verify content-hash determinism (same collision always resolves the same way)
- Tests check dependency preservation on remapped issues
- Test documentation explains content-hash scoring expectations

## Files to Modify
- `cmd/bd/autoimport_collision_test.go`

## Testing
Run: `go test ./cmd/bd -run "TestAutoImport.*Collision" -v`


Investigate database pollution - issue count anomalies

Multiple repos showing inflated issue counts suggesting cross-repo pollution:
- ~/src/dave/beads: 895 issues (675 open) - clearly polluted
- ~/src/stevey/src/beads: 280 issues (expected ~209-220) - possibly polluted

Need to investigate:
1. Source of pollution (multi-repo sync issues?)
2. How many duplicate/foreign issues exist
3. Whether recent sync operations caused cross-contamination
4. How to clean up and prevent future pollution

Investigation findings:

**Root cause identified:**
- NOT cross-repo contamination
- NOT automated test leakage (tests properly use t.TempDir())
- Manual testing during template feature development (Nov 2-4)
- Commit ba325a2: "test issues were accidentally committed during template feature development"

**Database growth timeline:**
- Nov 3: 19 issues (baseline)
- Nov 2-5: +244 issues (massive development spike)
- Nov 6-7: +40 issues (continued growth)
- Current: 291 issues → 270 after cleanup

**Test pollution breakdown:**
- 21 issues matching "Test " prefix pattern
- Most created Nov 2-5 during feature development
- Pollution from manual `./bd create "Test issue"` commands in production workspace
- All automated tests properly isolated with t.TempDir()

**Cleanup completed:**
- Ran scripts/cleanup-test-pollution.sh successfully
- Removed 21 test issues
- Database reduced from 291 → 270 issues (7.2% cleanup)
- JSONL synced to git

**Prevention strategy:**
- Filed follow-up issue for prevention mechanisms
- Script can be deleted once prevention is in place
- Tests are already properly isolated - no code changes needed there


Add comprehensive filters to bd export

Enhance bd export with filtering options for selective exports.

**Currently only has:**
- --status

**Add filters:**
- --label, --label-any
- --assignee
- --type
- --priority, --priority-min, --priority-max
- --created-after, --created-before
- --updated-after, --updated-before

**Use case:**
- Export only open issues: bd export --status open
- Export high-priority bugs: bd export --type bug --priority-max 1
- Export recent issues: bd export --created-after 2025-01-01

**Files to modify:**
- cmd/bd/export.go
- Reuse filter logic from list.go


bd-hv01: Multi-repo mode not tested with deletion tracking

Problem: Test suite has no coverage for multi-repo mode. ExportToMultiRepo creates multiple JSONL files but snapshot files are hardcoded to single JSONL location.

Impact: Deletion tracking likely silently broken for multi-repo users, could cause data loss.

Fix: Add test and update snapshot logic to handle multiple JSONL files.

Files: cmd/bd/deletion_tracking_test.go, cmd/bd/deletion_tracking.go, cmd/bd/daemon_sync.go:24-34


Daemons don't exit when parent process dies, causing accumulation and race conditions

Multiple daemon processes accumulate over time because daemons don't automatically stop when their parent process (e.g., coding agent) is killed. This causes:

1. Race conditions: 8+ daemons watching same .beads/beads.db, each with own 30s debounce timer
2. Git conflicts: Multiple daemons racing to commit/push .beads/issues.jsonl
3. Resource waste: Orphaned daemons from sessions days/hours old still running

Example: User had 8 daemons from multiple sessions (12:37AM, 7:20PM, 7:22PM, 7:47PM, 9:19PM yesterday + 9:54AM, 10:55AM today).

Solutions to consider:
1. Track parent PID and exit when parent dies
2. Use single global daemon instead of per-session
3. Document manual cleanup: pkill -f "bd daemon"
4. Add daemon lifecycle management (auto-cleanup of stale daemons)

Implementation complete:

1. Added ParentPID field to DaemonLockInfo struct (stored in daemon.lock JSON)
2. Daemon now tracks parent PID via os.Getppid() at startup
3. Both event loops (polling and event-driven) check parent process every 10 seconds
4. Daemon gracefully exits if parent process dies (detected via isProcessRunning check)
5. Handles edge cases:
   - ParentPID=0: Older daemons without tracking (ignored)
   - ParentPID=1: Adopted by init means parent died (exits)
   - Otherwise checks if parent process is still running

The fix prevents daemon accumulation by ensuring orphaned daemons automatically exit within 10 seconds of parent death.


Duplicate tombstone constants in merge and types packages

## Problem

The tombstone constants are duplicated between two packages:

**internal/types/types.go:**
```go
const DefaultTombstoneTTL = 30 * 24 * time.Hour
const ClockSkewGrace = 1 * time.Hour
const StatusTombstone Status = "tombstone"
```

**internal/merge/merge.go:**
```go
const StatusTombstone = "tombstone"
const DefaultTombstoneTTL = 30 * 24 * time.Hour
const ClockSkewGrace = 1 * time.Hour
```

This violates DRY and creates risk of divergence if one is updated but not the other.

## Root Cause

The merge package has its own `Issue` struct (for JSONL parsing) and cannot import types.Issue directly due to the different struct design. However, the constants could be shared.

## Recommendation

Export the constants from types package and import them in merge:

```go
// merge/merge.go
import "github.com/steveyegge/beads/internal/types"

// Use types.StatusTombstone, types.DefaultTombstoneTTL, types.ClockSkewGrace
```

Or create a shared constants package if import cycles are a concern.

## Files
- internal/merge/merge.go:241-248
- internal/types/types.go:77-84, 170


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.


show commit hash in 'bd version' when built from source'


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.


Add cancellation and timeout tests

Add comprehensive tests for context cancellation and timeout behavior.

## Context
Part of context propagation work. Validates that bd-rtp and bd-yb8 work correctly.

## Test Coverage Needed

### 1. Cancellation Tests
- [ ] Import operation cancelled mid-stream
- [ ] Export operation cancelled mid-stream
- [ ] Database query cancelled during long operation
- [ ] No corruption after cancellation
- [ ] Proper cleanup (defers execute, connections closed)

### 2. Timeout Tests
- [ ] Operations respect context deadlines
- [ ] Appropriate error messages on timeout
- [ ] State remains consistent after timeout

### 3. Signal Handling Tests
- [ ] SIGINT (Ctrl+C) triggers cancellation
- [ ] SIGTERM triggers graceful shutdown
- [ ] Multiple signals handled correctly

## Implementation Approach
```go
func TestImportCancellation(t *testing.T) {
    ctx, cancel := context.WithCancel(context.Background())

    // Start import in goroutine
    go func() {
        err := runImport(ctx, largeFile)
        assert.Error(err, context.Canceled)
    }()

    // Cancel after short delay
    time.Sleep(100 * time.Millisecond)
    cancel()

    // Verify database integrity
    assertDatabaseConsistent(t, store)
}
```

## Files to Create/Update
- cmd/bd/import_test.go - cancellation tests
- cmd/bd/export_test.go - cancellation tests
- internal/storage/sqlite/*_test.go - context timeout tests

## Acceptance Criteria
- [ ] All critical operations have cancellation tests
- [ ] Tests verify database integrity after cancellation
- [ ] Signal handling tested (if feasible)
- [ ] Test coverage >80% for context paths


[CRITICAL] Sync validation false positive - legitimate deletions trigger 'data loss detected'

Sync preflight validation incorrectly detects 'data loss' when legitimate deletions occur. This blocks all syncs and is the highest priority fix.


Integration test: mutation to export latency

Measure time from bd create to JSONL update. Verify <500ms latency. Test with multiple rapid mutations to verify batching.


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.


No logging/debugging for tombstone resurrection events

Per the design document bd-zvg Open Question 1: Should resurrection log a warning? Recommendation was Yes. Currently, when an expired tombstone loses to a live issue (resurrection), there is no logging or debugging output. This makes it hard to understand why an issue reappeared. Recommendation: Add optional debug logging when resurrection occurs, e.g., Issue bd-abc resurrected (tombstone expired). Files: internal/merge/merge.go:359-366, 371-378, 400-405, 410-415


Don't search parent directories for .beads databases

bd currently walks up the directory tree looking for .beads directories, which can find unrelated databases (e.g., ~/.beads). This causes confusing warnings and potential data pollution.

Should either:
1. Stop at git root (don't search above it)
2. Only use explicit BEADS_DB env var or local .beads
3. At minimum, don't search in home directory


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


Document deletions manifest in AGENTS.md and README

Parent: bd-imj

## Task
Add documentation about the deletions manifest feature.

## Locations to Update

### AGENTS.md
- Explain that deletions.jsonl is tracked in git
- Document that `bd delete` records to the manifest
- Explain cross-clone propagation mechanism

### README.md
- Brief mention in .beads directory structure section
- Link to detailed docs if needed

### docs/deletions.md (new file)
- Full technical documentation
- Format specification
- Pruning policy
- Git history fallback
- Troubleshooting

## Acceptance Criteria
- AGENTS.md updated with deletion workflow
- README.md mentions deletions.jsonl purpose
- New docs/deletions.md with complete reference


Add test for legacy deletions.jsonl to tombstone conversion

The importer now converts legacy deletions.jsonl entries to tombstones (bd-dve), but there's no dedicated test that:
1. Creates a deletions.jsonl with entries
2. Imports issues (some in deletions, some not)
3. Verifies the converted tombstones have correct fields from the deletion record

The existing TestImportIssues_TombstoneNotFilteredByDeletionsManifest tests that tombstones bypass the filter, but doesn't verify the conversion of legacy deletions to tombstones.

Add a test: TestImportIssues_LegacyDeletionsConvertedToTombstones


Feature with design

This is a description


convertDeletionToTombstone uses hardcoded default values

The convertDeletionToTombstone helper (importer.go:1114-1130) uses hardcoded defaults:
- Priority: 2
- IssueType: types.TypeTask
- Title: "(deleted)"

These defaults work but could be improved:
1. Consider using Priority: 0 (unset) to distinguish from user-set priority
2. OriginalType is empty string - consider setting IssueType to empty to be consistent
3. Title could include the original ID for debugging: "(deleted: bd-xyz)"

Low priority cleanup for consistency.


Fix `bd sync` failure due to daemon auto-export timestamp skew

`bd sync` fails with false-positive "JSONL is newer than database" after daemon auto-export.
Root Cause: Daemon exports local changes to JSONL, updating its timestamp. `bd sync` sees JSONL.mtime > DB.mtime and assumes external changes, blocking export.
Proposed Fixes:
1. `bd sync` auto-imports if timestamp matches but content differs (or just auto-imports).
2. Content-based comparison instead of timestamp only.


bd validate - Comprehensive health check

Run all validation checks in one command.

Checks:
- Duplicates
- Orphaned dependencies
- Test pollution
- Git conflicts

Supports --fix-all for auto-repair.

Depends on bd-cbed9619.1, bd-0dcea000, bd-31aab707, bd-9826b69a.

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


Design tombstone storage format

Define the JSON schema for tombstone records. Options: minimal (id, deleted_at, deleted_by, expires_at) vs full preservation (keep all original fields). Trade-offs: storage size vs audit trail. Consider: should tombstones be distinguishable from regular issues by status field or separate record type?


Issue 1


Review PR #513: fix hooks install docs

Review and merge PR #513 from aspiers. This PR fixes incorrect docs for how to install git hooks - updates README to use bd hooks install instead of removed install.sh. Simple 1-line change. URL: https://github.com/anthropics/beads/pull/513


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


Issue 1 to reopen


Design tombstone TTL and expiration semantics

Design the TTL and expiration behavior for tombstone records. Key decisions: default TTL (recommend 30 days), configuration via config.yaml, expiration semantics (remove vs keep expired), merge behavior when tombstone expires (live issue wins), clock skew handling.


Test sync branch setup


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).


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.

Implemented all three MCP server functions:

1. **repair_deps(fix=False)** - Find/fix orphaned dependencies
2. **detect_pollution(clean=False)** - Detect/clean test issues
3. **validate(checks=None, fix_all=False)** - Run comprehensive health checks

Changes:
- Added abstract methods to BdClientBase
- Implemented in BdCliClient (CLI execution)
- Added NotImplementedError stubs in BdDaemonClient (falls back to CLI)
- Created wrapper functions in tools.py
- Registered @mcp.tool decorators in server.py

All commands tested and working with --no-daemon flag.


Multi-repo hydration layer

Build core infrastructure to hydrate database from N repos (N≥1), with smart caching via file mtime tracking and routing writes to correct JSONL based on source_repo metadata.


bd export should verify JSONL line count matches database count

After export completes, bd should verify that the JSONL file line count matches the number of issues exported. This would catch silent failures where the export appears to succeed but doesn't actually write all issues.

Real-world scenario from VC project:
- Ran direct SQL DELETE to remove 240 issues
- Ran 'bd export -o .beads/issues.jsonl'
- No error shown, appeared to succeed
- But JSONL file was not updated (still had old line count)
- Later session found all 240 issues still in JSONL
- Had to repeat the cleanup

If export had verified line count, it would have immediately shown:
  Error: Export verification failed
    Expected: 276 issues
    JSONL file: 516 lines
    Mismatch indicates export failed to write all issues

This is especially important because:
1. JSONL is source of truth in git
2. Silent export failures cause data inconsistency
3. Users assume export succeeded if no error shown
4. The verification is cheap (just count lines)

Implementation:
- After writing JSONL, count lines in file
- Compare to len(exportedIDs)
- If mismatch, remove temp file and return error
- Show clear error message with both counts


Add docs/architecture/event_driven.md

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


Auto-push after merge with safety check

Make bd sync a true one-command solution by auto-pushing after successful content merge.

Behavior:
- After successful content merge, auto-push by default
- Safety check: detect when >50% issues vanished AND >5 existed before
- On safety check trigger: warn but still push (do not block happy path)

Vanished means issues removed from issues.jsonl entirely, NOT status=closed (closed is legitimate swarm completion).

Location: internal/syncbranch/worktree.go
Parent issue: bd-3s8


Export doesn't update last_import_hash metadata causing perpetual 'JSONL content has changed' errors

After a successful export, the daemon doesn't update last_import_hash or last_import_mtime metadata. This causes hasJSONLChanged to return true on the next export attempt, blocking with 'refusing to export: JSONL content has changed since last import'.

Related to GH #334.

Scenario:
1. Daemon exports successfully → JSONL updated, hash changes
2. Metadata NOT updated (last_import_hash still points to old hash)
3. Next mutation triggers export
4. validatePreExport calls hasJSONLChanged
5. hasJSONLChanged sees current JSONL hash != last_import_hash
6. Export blocked with 'JSONL content has changed since last import'
7. Issue stuck: can't export, can't make progress

This creates a catch-22 where the system thinks JSONL changed externally when it was the daemon itself that changed it.

Current behavior:
- Import updates metadata (import.go:310-336)
- Export does NOT update metadata (daemon_sync.go:307)
- Result: metadata becomes stale after every export


Add 'bd message send' command for Agent Mail messaging

Agent Mail server supports messaging between agents, but bd CLI only uses it for file reservations. Add commands for inter-agent messaging.

## Background
- Agent Mail server running at http://127.0.0.1:8765
- 12 workspaces configured across 3 channels (beads.dev, vc.dev, wyvern.dev)
- Current integration: file reservations only
- Gap: no way to send messages from bd CLI

## Proposed Commands

```bash
# Send message to another agent
bd message send <to-agent> <message> [options]
  --subject <subject>
  --thread-id <thread-id>     # Optional - group related messages
  --project-id <project>      # Defaults to BEADS_PROJECT_ID

# List inbox messages
bd message inbox [options]
  --limit <N>
  --unread-only

# Read specific message
bd message read <message-id>

# Mark message as acknowledged
bd message ack <message-id>
```

## Example Usage

```bash
# Send message to agent in same channel
bd message send cino-beads-stevey-macbook "Working on bd-z0yn, need your review" \
  --subject "Review request" \
  --thread-id bd-z0yn

# Check inbox
bd message inbox --unread-only

# Read and acknowledge
bd message read msg-abc123
bd message ack msg-abc123
```

## Design Notes
- Use same env vars (BEADS_AGENT_MAIL_URL, BEADS_AGENT_NAME, BEADS_PROJECT_ID)
- Graceful degradation if Agent Mail unavailable
- JSON output support for all commands
- Consider integrating with bd update/close (auto-notify on status changes)

## References
- Agent Mail README: ~/src/mcp_agent_mail/README.md
- Beads integration docs: docs/AGENT_MAIL.md

## Implementation Summary

Added four new commands to bd CLI for Agent Mail messaging:

1. `bd message send <to-agent> <message>` - Send messages to other agents
   - Flags: --subject, --thread-id, --importance, --ack-required
   - Supports markdown content
   - Thread conversations by issue ID

2. `bd message inbox` - List inbox messages
   - Flags: --limit, --unread-only, --urgent-only, --json
   - Shows subject, sender, age, importance
   - Highlights unread and ACK-required messages

3. `bd message read <message-id>` - Read and mark message as read
   - Automatically marks message as read
   - Shows message content

4. `bd message ack <message-id>` - Acknowledge a message
   - Marks message as acknowledged
   - Also marks as read if not already

## Implementation Details

- Uses JSON-RPC over HTTP to communicate with Agent Mail server
- Configuration via environment variables (BEADS_AGENT_MAIL_URL, BEADS_AGENT_NAME, BEADS_PROJECT_ID)
- Graceful error messages when Agent Mail not configured
- Full JSON output support for programmatic use
- Follows same patterns as existing bd commands

## Documentation

Updated:
- docs/AGENT_MAIL.md - Added "Messaging Commands" section with examples and best practices
- README.md - Added "Messaging (Agent Mail)" section in Usage

## Testing

- Compiles successfully
- Help output works correctly
- Ready for integration testing with Agent Mail server


bd prime: Detect ephemeral branches and adjust workflow output

When 'bd prime' runs on a branch with no upstream (ephemeral branch), it should output a different SESSION CLOSE PROTOCOL.

**Current output (wrong for ephemeral branches):**
```
[ ] 1. git status
[ ] 2. git add <files>
[ ] 3. bd sync
[ ] 4. git commit -m "..."
[ ] 5. bd sync
[ ] 6. git push
```

**Needed output for ephemeral branches:**
```
[ ] 1. git status
[ ] 2. git add <files>
[ ] 3. bd sync --from-main  (pull updates from main)
[ ] 4. git commit -m "..."
[ ] 5. (no push - branch is ephemeral)
```

**Detection:** `git rev-parse --abbrev-ref --symbolic-full-name @{u}` returns error code 128 if no upstream.

Also update Sync & Collaboration section to mention `bd sync --from-main` for ephemeral branches.

**Use case:** Gastown polecats work on ephemeral local branches that are never pushed. Their code gets merged to main via local merge, and beads changes stay local (communicated via gm mail to Overseer).


Add test coverage for internal/validation package


WASM port of bd for Claude Code Web sandboxes

Enable beads to work in Claude Code Web sandboxes by compiling bd to WebAssembly.

## Problem
Claude Code Web sandboxes cannot install bd CLI due to network restrictions:
- GitHub releases return 403
- go install fails with DNS errors
- Binary cannot be downloaded

## Solution
Compile bd Go codebase to WASM, publish to npm as drop-in replacement.

## Technical Approach
- Use GOOS=js GOARCH=wasm to compile bd
- modernc.org/sqlite already supports js/wasm target
- Publish to npm as bd-wasm package
- Full feature parity with bd CLI

## Success Criteria
- bd-wasm installs via npm in web sandbox
- All core bd commands work identically
- JSONL output matches native bd
- Performance within 2x of native

WASM port abandoned - Claude Code Web has full VMs not browser restrictions. Better: npm + native binary


Fix autoimport tests for content-hash collision scoring

## Overview
Three autoimport tests are failing after bd-cbed9619.4 because they expect behavior based on the old reference-counting collision resolution, but the system now uses deterministic content-hash scoring.

## Failing Tests
1. `TestAutoImportMultipleCollisionsRemapped` - expects local versions preserved
2. `TestAutoImportAllCollisionsRemapped` - expects local versions preserved
3. `TestAutoImportCollisionRemapMultipleFields` - expects specific collision resolution behavior

## Root Cause
These tests were written when ScoreCollisions used reference counting to determine which version to keep. Now it uses content-hash comparison (introduced in commit 2e87329), which produces different but deterministic results.

## Example
Old behavior: Issue with more references would be kept
New behavior: Issue with lexicographically lower content hash is kept

## Solution
Update each test to:
1. Verify the new content-hash based behavior is correct
2. Check that the remapped issue (not necessarily local/remote) has the expected content
3. Ensure dependencies are preserved on the correct remapped issue

## Acceptance Criteria
- All three autoimport tests pass
- Tests verify content-hash determinism (same collision always resolves the same way)
- Tests check dependency preservation on remapped issues
- Test documentation explains content-hash scoring expectations

## Files to Modify
- `cmd/bd/autoimport_collision_test.go`

## Testing
Run: `go test ./cmd/bd -run "TestAutoImport.*Collision" -v`


Fix Windows-specific test failures in CI

Several tests are failing on Windows but passing on Linux:

**Failing tests:**
- TestFindDatabasePathEnvVar
- TestHashIDs_MultiCloneConverge
- TestHashIDs_IdenticalContentDedup
- TestDatabaseReinitialization (all 5 subtests):
  - fresh_clone_auto_import
  - database_removal_scenario
  - legacy_filename_support
  - precedence_test
  - init_safety_check
- TestFindBeadsDir_NotFound
- TestMetricsSnapshot/uptime (in internal/rpc)

**CI Run:** https://github.com/steveyegge/beads/actions/runs/19015638968

These are likely path separator or filesystem behavior differences between Windows and Linux.

Fixed all Windows path issues:
1. TestFindDatabasePathEnvVar - expects canonicalized paths ✅
2. TestHashIDs tests - use platform-specific bd.exe command ✅
3. TestMetricsSnapshot/uptime - enforce minimum 1 second uptime ✅
4. TestFindBeadsDir_NotFound - allow finding .beads in parent dirs ✅
5. TestDatabaseReinitialization - fix git path conversion on Windows (git returns /c/Users/... but filepath needs C:\Users\...) ✅

CI run in progress to verify all fixes.


Add 'new' as alias for 'create' command


Audit Current Cache Usage

Understand exactly what code depends on the storage cache

Audit complete. See CACHE_AUDIT.md for full findings.

Summary:
- Cache was already removed in commit 322ab63 (2025-10-28)
- server_cache_storage.go deleted (~286 lines)
- All getStorageForRequest calls replaced with s.storage
- All environment variables removed
- MCP multi-repo works via per-project daemon architecture
- All tests updated and passing
- Only stale comment in server.go needed fixing


Issue 2


bd message: Implement full message reading functionality

The `bd message read` command is incomplete and doesn't actually fetch or display message content.

**Location:** cmd/bd/message.go:413-441

**Current Behavior:**
- Only marks message as read
- Prints placeholder text
- Doesn't fetch message body

**Expected:**
- Fetch full message from Agent Mail resource API
- Display sender, subject, timestamp, body
- Consider markdown rendering

**Blocker:** Core feature for message system MVP


Need comprehensive daemon health check command (bd daemon doctor?)


Address gosec security warnings (102 issues)

Security linter warnings: file permissions (0755 should be 0750), G304 file inclusion via variable, G204 subprocess launches. Many are false positives but should be reviewed.


bd sync --squash: batch multiple syncs into single commit

For solo developers who don't need real-time multi-agent coordination, add a --squash option to bd sync that accumulates changes and commits them in a single commit rather than one commit per sync.

This addresses the git history pollution concern (many 'bd sync: timestamp' commits) while preserving the default behavior needed for orchestration.

**Proposed behavior:**
- `bd sync --squash` accumulates pending exports without committing
- Commits accumulated changes on session end or explicit `bd sync` (without --squash)
- Default behavior unchanged (immediate commits for orchestration)

**Use case:** Solo developers who want cleaner git history but don't need real-time coordination between agents.

**Related:** PR #411 (docs: reduce bd sync commit pollution)
**See also:** Multi-repo support as alternative solution (docs/MULTI_REPO_AGENTS.md)


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


Unit tests for FileWatcher

Test watcher detects JSONL changes. Test git ref changes trigger import. Test debounce integration. Test watcher recovery from file removal/rename.


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.


Add UNIQUE constraint on external_ref column

The external_ref column should have a UNIQUE constraint to prevent multiple issues from having the same external reference. This ensures data integrity when syncing from external systems (Jira, GitHub, Linear).

Current behavior:
- Multiple issues can have the same external_ref
- GetIssueByExternalRef returns first match (non-deterministic with duplicates)

Proposed solution:
- Add UNIQUE constraint to external_ref column
- Add migration to check for and resolve existing duplicates
- Update tests to verify constraint enforcement

Related: bd-1022


Remove Cache-Related Tests

Delete or update tests that assume multi-repo caching


Add security tests for WriteFile permissions in doctor command

Test coverage gap identified by automated analysis (vc-217).

**Original Issue:** [deleted:[deleted:bd-da96-baseline-lint]]

In cmd/bd/doctor/gitignore.go:98, os.WriteFile uses 0644 permissions, flagged by gosec G306 as potentially too permissive.

Add tests to verify:
- File is created with appropriate permissions (0600 or less)
- Existing file permissions are not loosened
- File ownership is correct
- Sensitive data handling if .gitignore contains secrets

This ensures .gitignore files are created with secure permissions to prevent unauthorized access.

_This issue was automatically created by AI test coverage analysis._


Documentation

Complete documentation for Agent Mail integration to enable adoption.


Sync should cleanup snapshot files after completion

## Problem
`bd sync` leaves orphaned merge artifact files (beads.base.jsonl, beads.left.jsonl) after completion, causing:
1. Doctor warnings about 'Multiple JSONL files found'
2. Confusion during debugging
3. Potential stale data issues on next sync

## Root Cause
`SnapshotManager` creates these files for 3-way merge deletion tracking but `Cleanup()` is never called after sync completes (success or failure).

## Fix
Call `SnapshotManager.Cleanup()` at end of successful sync:

```go
// sync.go after successful validation
sm := NewSnapshotManager(jsonlPath)
sm.Cleanup()
```

## Files
- cmd/bd/sync.go (add cleanup call)
- cmd/bd/snapshot_manager.go (Cleanup method exists at line 188)


Add tests for 3-way merge scenarios

Comprehensive test coverage for merge logic.

**Test cases**:
- Simple field updates (left vs right)
- Dependency merging (union + dedup)
- Timestamp handling (max wins)
- Deletion detection (deleted in one, modified in other)
- Conflict generation (incompatible changes)
- Issue resurrection prevention (bd-hv01 regression test)

**Files**:
- `internal/merge/merge_test.go`
- `cmd/bd/merge_test.go`


Test FK constraint via close


Add .beads-backup-* pattern to gitignore template

Update the gitignore template in doctor package to include backup directories.

## Change
Add `.beads-backup-*/` to the GitignoreTemplate in `cmd/bd/doctor/gitignore.go`

## Why
Backup directories created by `bd reset --backup` should not be committed to git.
They are local-only recovery tools.

## File
`cmd/bd/doctor/gitignore.go` - look for GitignoreTemplate constant


Add internal/ai package for LLM integration

Shared AI client for repair commands.

Providers:
- Anthropic (Claude)
- OpenAI (GPT)
- Ollama (local)

Env vars:
- BEADS_AI_PROVIDER
- BEADS_AI_API_KEY
- BEADS_AI_MODEL

Files: internal/ai/client.go (new)


bd message: Improve type safety with typed parameter structs


Baseline quality gate failure: test

The test quality gate is failing on the baseline (main branch).

This blocks the executor from claiming work until fixed.

Error: go test failed: exit status 1

Output:
```
?   	github.com/steveyegge/beads	[no test files]
# github.com/steveyegge/beads/internal/beads_test [github.com/steveyegge/beads/internal/beads.test]
internal/beads/routing_integration_test.go:142:27: not enough arguments in call to sqlite.New
	have (string)
	want (context.Context, string)
# github.com/steveyegge/beads/internal/compact [github.com/steveyegge/beads/internal/compact.test]
internal/compact/compactor_test.go:17:27: not enough arguments in call to sqlite.New
	have (string)
	want (context.Context, string)
# github.com/steveyegge/beads/cmd/bd [github.com/steveyegge/beads/cmd/bd.test]
cmd/bd/integrity_content_test.go:31:32: undefined: ctx
cmd/bd/integrity_content_test.go:183:32: undefined: ctx
FAIL	github.com/steveyegge/beads/cmd/bd [build failed]
# github.com/steveyegge/beads/internal/daemon [github.com/steveyegge/beads/internal/daemon.test]
internal/daemon/discovery_test.go:21:27: not enough arguments in call to sqlite.New
	have (string)
	want (context.Context, string)
internal/daemon/discovery_test.go:59:27: not enough arguments in call to sqlite.New
	have (string)
	want (context.Context, string)
internal/daemon/discovery_test.go:232:27: not enough arguments in call to sqlite.New
	have (string)
	want (context.Context, string)
# github.com/steveyegge/beads/internal/importer [github.com/steveyegge/beads/internal/importer.test]
internal/importer/external_ref_test.go:22:27: not enough arguments in call to sqlite.New
	have (string)
	want (context.Context, string)
internal/importer/external_ref_test.go:106:27: not enough arguments in call to sqlite.New
	have (string)
	want (context.Context, string)
internal/importer/external_ref_test.go:197:27: not enough arguments in call to sqlite.New
	have (string)
	want (context.Context, string)
internal/importer/external_ref_test.go:295:27: not enough arguments in call to sqlite.New
	have (string)
	want (context.Context, string)
internal/importer/importer_test.go:566:27: not enough arguments in call to sqlite.New
	have (st
... (truncated, see full output in logs)
```

Released by executor after budget limit hit. Tests were already fixed manually. Issue can be closed when tests are verified to pass.


Audit all cmd/bd tests and group into suites

Analyze all 279 tests in cmd/bd and identify:
1. Which tests can share DB setup (most of them\!)
2. Which tests actually need isolation (export/import, git ops)
3. Optimal grouping into test suites

Create a mapping document showing:
- Current: 279 individual test functions
- Proposed: ~10-15 test suites with subtests
- Expected speedup per suite

Blocks all refactoring work.


Implement transaction retry logic for SQLITE_BUSY

BEGIN IMMEDIATE fails immediately on SQLITE_BUSY instead of retrying with exponential backoff.

Location: internal/storage/sqlite/sqlite.go:223-225

Problem:
- Under concurrent write load, BEGIN IMMEDIATE can fail with SQLITE_BUSY
- Current implementation fails immediately instead of retrying
- Results in spurious failures under normal concurrent usage

Solution: Implement exponential backoff retry:
- Retry up to N times (e.g., 5)
- Backoff: 10ms, 20ms, 40ms, 80ms, 160ms
- Check for context cancellation between retries
- Only retry on SQLITE_BUSY/database locked errors

Impact: Spurious failures under concurrent write load

Effort: 3 hours


Remove unreachable utility functions

Several small utility functions are unreachable:

Files to clean:
1. `internal/storage/sqlite/hash.go` - `computeIssueContentHash` (line 17)
   - Check if entire file can be deleted if only contains this function

2. `internal/config/config.go` - `FileUsed` (line 151)
   - Delete unused config helper

3. `cmd/bd/git_sync_test.go` - `verifyIssueOpen` (line 300)
   - Delete dead test helper

4. `internal/compact/haiku.go` - `HaikuClient.SummarizeTier2` (line 81)
   - Tier 2 summarization not implemented
   - Options: implement feature OR delete method

Impact: Removes 50-100 LOC depending on decisions


Add export test verifying tombstones are included in JSONL output

The export now includes tombstones (bd-dve) but there's no test that:
1. Creates issues in DB including a tombstone
2. Runs export
3. Verifies the JSONL contains the tombstone with all fields

Add a test: TestExportIncludesTombstones


Extract batch operations to batch_ops.go

Move validateBatchIssues, generateBatchIDs, bulkInsertIssues, bulkRecordEvents, bulkMarkDirty, CreateIssues to batch_ops.go


Create tip system infrastructure for contextual hints

Implement a tip/hint system that shows helpful contextual messages after successful commands. This is different from the existing error-path "Hint:" messages - tips appear on success paths to educate users about features they might not know about.


Test exclusive file reservations with two agents

Simulate two agents racing to claim the same issue and verify that exclusive reservations prevent collision.

Acceptance Criteria:
- Agent A reserves bd-123 → succeeds
- Agent B tries to reserve bd-123 → fails with clear error message
- Agent B can see who has the reservation
- Reservation expires after TTL
- Agent B can claim after expiration

Successfully tested file reservations:
- Agent BrownBear reserved bd-123 → granted
- Agent ChartreuseHill tried same → conflicts returned
- System correctly prevents collision