Agent skill

bd-to-br-migration

Migrate docs from bd (beads) to br (beads_rust). Use when updating AGENTS.md, converting bd commands, "bd sync" → "br sync --flush-only", or beads migration.

Stars 27
Forks 6

Install this agent skill to your Project

npx add-skill https://github.com/ratacat/claude-skills/tree/main/skills/bd-to-br-migration

SKILL.md

bd → br Migration

Core Philosophy: One behavioral change, mechanical transforms. The ONLY difference is git handling—everything else is find-replace.

Why This Matters

Incomplete migrations leave broken docs. Agents follow stale bd sync instructions, expect auto-commit, and lose work. This skill ensures complete, verified migrations.


THE EXACT PROMPT — Single File Migration

Migrate this file from bd (beads) to br (beads_rust).

Apply transforms IN THIS ORDER (order matters):
1. Section headers: "bd (beads)" → "br (beads_rust)"
2. Add non-invasive note after beads section header
3. Commands: `bd X` → `br X` for ready/list/show/create/update/close/dep/stats
4. Sync command: `bd sync` → `br sync --flush-only`
5. Add git steps after EVERY sync:
   git add .beads/
   git commit -m "sync beads"
6. Issue IDs: bd-### → br-### in thread_ids, subjects, reasons, commits
7. Links: beads_viewer → beads_rust (if present)

Remove completely:
- Daemon references
- Auto-commit assumptions
- Hook installation mentions
- RPC mode

Keep unchanged:
- SQLite/WAL cautions
- bv integration
- Priority system (P0-P4)

VERIFY after editing:
grep -c '`bd ' file.md     # Must be 0
grep -c 'bd sync' file.md  # Must be 0
grep -c 'br sync --flush-only' file.md  # Must be > 0

Why This Prompt Works

  • Ordered transforms: Dependencies exist (sync must change before adding git steps)
  • Explicit removals: Daemon/RPC don't exist in br—leaving them confuses agents
  • Keep list: Prevents accidental removal of still-valid patterns
  • Built-in verification: Grep commands catch missed transforms
  • No degrees of freedom: This is a LOW freedom task—exact transforms required

Decision Tree: What Are You Migrating?

What are you migrating?
│
├─ Single file (AGENTS.md)
│  │
│  └─ Follow THE EXACT PROMPT above
│     Use: ./scripts/verify-migration.sh file.md
│
├─ Multiple files (batch)
│  │
│  ├─ <10 files → Sequential: apply prompt to each
│  │
│  └─ 10+ files → Parallel subagents
│     Batch ~10 files per agent
│     See: [BULK.md](references/BULK.md)
│
└─ Verify existing migration
   │
   └─ Run: ./scripts/find-bd-refs.sh /path
      Any output = incomplete migration

The One Behavioral Difference

┌─────────────────────────────────────────────────────────────────┐
│                    bd (Go)              br (Rust)               │
├─────────────────────────────────────────────────────────────────┤
│  bd sync                     →    br sync --flush-only          │
│  (auto-commits to git)            (exports JSONL only)          │
│                                                                 │
│                              +    git add .beads/               │
│                              +    git commit -m "..."           │
└─────────────────────────────────────────────────────────────────┘

Everything else is literally s/bd/br/g

Command Map

bd br Change Type
bd ready br ready Name only
bd list br list Name only
bd show <id> br show <id> Name only
bd create br create Name only
bd update br update Name only
bd close br close Name only
bd dep add br dep add Name only
bd stats br stats Name only
bd sync br sync --flush-only + git BEHAVIORAL

Transform Patterns

Pattern 1: The Non-Invasive Note

Add immediately after any beads section header:

markdown
**Note:** `br` is non-invasive and never executes git commands. After `br sync --flush-only`, you must manually run `git add .beads/ && git commit`.

Pattern 2: Sync Command Transform

Before:

bash
bd sync

After:

bash
br sync --flush-only
git add .beads/
git commit -m "sync beads"

Pattern 3: Session End Transform

Before:

bash
git add <files>
bd sync
git push

After:

bash
git add <files>
br sync --flush-only
git add .beads/
git commit -m "..."
git push

Pattern 4: Issue ID Transform

Before:

markdown
thread_id: bd-123
subject: [bd-123] Feature implementation
reason: bd-123

After:

markdown
thread_id: br-123
subject: [br-123] Feature implementation
reason: br-123

Validation Loop

┌─────────────────────────────────────────────────────────────────┐
│                     VALIDATION IS MANDATORY                     │
├─────────────────────────────────────────────────────────────────┤
│                                                                 │
│  1. Apply transforms                                            │
│                    ↓                                            │
│  2. Run verification:                                           │
│     ./scripts/verify-migration.sh file.md                       │
│                    ↓                                            │
│  3. If FAIL → read error → fix specific issue → goto 2          │
│                    ↓                                            │
│  4. Only proceed when PASS                                      │
│                                                                 │
│  ⚠️ Never skip verification. Incomplete migrations break agents.│
└─────────────────────────────────────────────────────────────────┘

Quick Verification Commands

bash
# MUST return 0:
grep -c '`bd ' file.md
grep -c 'bd sync' file.md
grep -c 'bd ready' file.md

# MUST return > 0 (if file has sync sections):
grep -c 'br sync --flush-only' file.md
grep -c 'git add .beads/' file.md

Risk Tiers

Operation Risk Freedom
Command renames (bdbr) Low Mechanical—no judgment
Sync transform + git steps Medium MUST add git steps
Removing daemon refs Medium Verify not removing valid content
Bulk migration (10+ files) High Use subagents with verification

Degrees of Freedom: LOW

This is a deterministic transformation. There is ONE correct output for each input.

  • No creative interpretation
  • No optional improvements
  • No stylistic choices
  • Apply transforms EXACTLY as specified

What Gets Removed

Pattern Why Remove Verify Absent
"bd daemon" br has no daemon grep -i daemon
"auto-commits" br never commits grep -i "auto.*commit"
"git hooks" br installs none grep -i "hook"
"RPC mode" br has no RPC grep -i "rpc"

What Stays Unchanged

Pattern Why Keep
SQLite/WAL cautions br still uses WAL
bv integration Works with both
Priority P0-P4 Same system
Issue types Same system
Dependency tracking Same system
.beads/ as source of truth Same system

Before/After Example

Before (bd)

markdown
## Issue Tracking with bd (beads)

Key invariants:
- `.beads/` is authoritative

### Agent workflow:
1. `bd ready` to find work
2. `bd update <id> --status in_progress`
3. Implement
4. `bd close <id>`
5. `bd sync` commits changes

After (br)

markdown
## Issue Tracking with br (beads_rust)

**Note:** `br` is non-invasive and never executes git commands. After `br sync --flush-only`, you must manually run `git add .beads/ && git commit`.

Key invariants:
- `.beads/` is authoritative

### Agent workflow:
1. `br ready` to find work
2. `br update <id> --status in_progress`
3. Implement
4. `br close <id>`
5. Sync and commit:
   ```bash
   br sync --flush-only
   git add .beads/
   git commit -m "sync beads"

---

## References

| Need | Reference |
|------|-----------|
| Complete before/after examples | [TRANSFORMS.md](references/TRANSFORMS.md) |
| Bulk migration strategy | [BULK.md](references/BULK.md) |
| Common mistakes & fixes | [PITFALLS.md](references/PITFALLS.md) |

---

## Scripts

| Script | Purpose |
|--------|---------|
| `./scripts/find-bd-refs.sh /path` | Find files needing migration |
| `./scripts/verify-migration.sh file.md` | Verify migration complete |

---

## Validation

```bash
# Full verification
./scripts/verify-migration.sh /path/to/AGENTS.md

# Quick check (should return nothing)
grep '`bd ' /path/to/AGENTS.md

If any bd references remain → migration incomplete → re-apply transforms.

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