chore(release): bump version to 0.48.0

Release highlights:
- VersionedStorage interface for pluggable backends
- bd types command and enhancement type alias
- bd close -m flag (git commit convention)
- RepoContext API for centralized git operations
- Dolt backend improvements (WIP)
- Many bug fixes for doctor, sync, hooks, worktrees

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

cmd/bd/info.go

@@ -296,6 +296,23 @@ type VersionChange struct {
 
 // versionChanges contains agent-actionable changes for recent versions
 var versionChanges = []VersionChange{
+	{
+		Version: "0.48.0",
+		Date:    "2026-01-17",
+		Changes: []string{
+			"NEW: VersionedStorage interface - Abstract storage layer with history/diff/branch operations",
+			"NEW: bd types command - List valid issue types with descriptions",
+			"NEW: bd close -m flag - Alias for --reason (git commit convention)",
+			"NEW: RepoContext API - Centralized git operations context",
+			"WIP: Dolt backend improvements - Bootstrap from JSONL, hook infrastructure, bd compact --dolt",
+			"FIX: Doctor sync branch check - Removed destructive --fix behavior (GH#1062)",
+			"FIX: Duplicate merge target - Use combined weight for better selection (GH#1022)",
+			"FIX: Worktree exclude paths - Correct --git-common-dir usage (GH#1053)",
+			"FIX: Daemon git.author - Apply configured author to sync commits",
+			"FIX: Windows CGO-free builds - Enable building without CGO (#1117)",
+			"FIX: Git hooks in worktrees - Fix hook execution in linked worktrees (#1126)",
+		},
+	},
 	{
 		Version: "0.47.2",
 		Date:    "2026-01-14",

cmd/bd/version.go

@@ -14,7 +14,7 @@ import (
 
 var (
 	// Version is the current version of bd (overridden by ldflags at build time)
-    Version = "0.47.2"
+    Version = "0.48.0"
 	// Build can be set via ldflags at compile time
 	Build = "dev"
 	// Commit and branch the git revision the binary was built from (optional ldflag)