.opencode to .agents
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YeonGyu-Kim
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---
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description: Remove unused code from this project with ultrawork mode, LSP-verified safety, atomic commits
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---
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<command-instruction>
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Dead code removal via massively parallel deep agents. You are the ORCHESTRATOR — you scan, verify, batch, then delegate ALL removals to parallel agents.
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<rules>
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- **LSP is law.** Verify with `LspFindReferences(includeDeclaration=false)` before ANY removal decision.
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- **Never remove entry points.** `src/index.ts`, `src/cli/index.ts`, test files, config files, `packages/` — off-limits.
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- **You do NOT remove code yourself.** You scan, verify, batch, then fire deep agents. They do the work.
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</rules>
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<false-positive-guards>
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NEVER mark as dead:
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- Symbols in `src/index.ts` or barrel `index.ts` re-exports
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- Symbols referenced in test files (tests are valid consumers)
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- Symbols with `@public` / `@api` JSDoc tags
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- Hook factories (`createXXXHook`), tool factories (`createXXXTool`), agent definitions in `agentSources`
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- Command templates, skill definitions, MCP configs
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- Symbols in `package.json` exports
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</false-positive-guards>
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---
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## PHASE 1: SCAN — Find Dead Code Candidates
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Run ALL of these in parallel:
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<parallel-scan>
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**TypeScript strict mode (your primary scanner — run this FIRST):**
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```bash
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bunx tsc --noEmit --noUnusedLocals --noUnusedParameters 2>&1
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```
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This gives you the definitive list of unused locals, imports, parameters, and types with exact file:line locations.
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**Explore agents (fire ALL simultaneously as background):**
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```
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task(subagent_type="explore", run_in_background=true, load_skills=[],
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description="Find orphaned files",
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prompt="Find files in src/ NOT imported by any other file. Check all import statements. EXCLUDE: index.ts, *.test.ts, entry points, .md, packages/. Return: file paths.")
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task(subagent_type="explore", run_in_background=true, load_skills=[],
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description="Find unused exported symbols",
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prompt="Find exported functions/types/constants in src/ that are never imported by other files. Cross-reference: for each export, grep the symbol name across src/ — if it only appears in its own file, it's a candidate. EXCLUDE: src/index.ts exports, test files. Return: file path, line, symbol name, export type.")
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```
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</parallel-scan>
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Collect all results into a master candidate list.
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---
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## PHASE 2: VERIFY — LSP Confirmation (Zero False Positives)
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For EACH candidate from Phase 1:
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```typescript
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LspFindReferences(filePath, line, character, includeDeclaration=false)
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// 0 references → CONFIRMED dead
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// 1+ references → NOT dead, drop from list
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```
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Also apply the false-positive-guards above. Produce a confirmed list:
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```
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| # | File | Symbol | Type | Action |
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|---|------|--------|------|--------|
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| 1 | src/foo.ts:42 | unusedFunc | function | REMOVE |
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| 2 | src/bar.ts:10 | OldType | type | REMOVE |
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| 3 | src/baz.ts:7 | ctx | parameter | PREFIX _ |
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```
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**Action types:**
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- `REMOVE` — delete the symbol/import/file entirely
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- `PREFIX _` — unused function parameter required by signature → rename to `_paramName`
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If ZERO confirmed: report "No dead code found" and STOP.
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---
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## PHASE 3: BATCH — Group by File for Conflict-Free Parallelism
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<batching-rules>
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**Goal: maximize parallel agents with ZERO git conflicts.**
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1. Group confirmed dead code items by FILE PATH
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2. All items in the SAME file go to the SAME batch (prevents two agents editing the same file)
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3. If a dead FILE (entire file deletion) exists, it's its own batch
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4. Target 5-15 batches. If fewer than 5 items total, use 1 batch per item.
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**Example batching:**
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```
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Batch A: [src/hooks/foo/hook.ts — 3 unused imports]
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Batch B: [src/features/bar/manager.ts — 2 unused constants, 1 dead function]
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Batch C: [src/tools/baz/tool.ts — 1 unused param, src/tools/baz/types.ts — 1 unused type]
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Batch D: [src/dead-file.ts — entire file deletion]
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```
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Files in the same directory CAN be batched together (they won't conflict as long as no two agents edit the same file). Maximize batch count for parallelism.
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</batching-rules>
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---
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## PHASE 4: EXECUTE — Fire Parallel Deep Agents
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For EACH batch, fire a deep agent:
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```
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task(
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category="deep",
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load_skills=["typescript-programmer", "git-master"],
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run_in_background=true,
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description="Remove dead code batch N: [brief description]",
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prompt="[see template below]"
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)
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```
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<agent-prompt-template>
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Every deep agent gets this prompt structure (fill in the specifics per batch):
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```
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## TASK: Remove dead code from [file list]
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## DEAD CODE TO REMOVE
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### [file path] line [N]
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- Symbol: `[name]` — [type: unused import / unused constant / unused function / unused parameter / dead file]
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- Action: [REMOVE entirely / REMOVE from import list / PREFIX with _]
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### [file path] line [N]
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- ...
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## PROTOCOL
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1. Read each file to understand exact syntax at the target lines
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2. For each symbol, run LspFindReferences to RE-VERIFY it's still dead (another agent may have changed things)
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3. Apply the change:
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- Unused import (only symbol in line): remove entire import line
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- Unused import (one of many): remove only that symbol from the import list
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- Unused constant/function/type: remove the declaration. Clean up trailing blank lines.
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- Unused parameter: prefix with `_` (do NOT remove — required by signature)
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- Dead file: delete with `rm`
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4. After ALL edits in this batch, run: `bun run typecheck`
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5. If typecheck fails: `git checkout -- [files]` and report failure
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6. If typecheck passes: stage ONLY your files and commit:
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`git add [your-specific-files] && git commit -m "refactor: remove dead code from [brief file list]"`
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7. Report what you removed and the commit hash
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## CRITICAL
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- Stage ONLY your batch's files (`git add [specific files]`). NEVER `git add -A` — other agents are working in parallel.
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- If typecheck fails after your edits, REVERT all changes and report. Do not attempt to fix.
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- Pre-existing test failures in other files are expected. Only typecheck matters for your batch.
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```
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</agent-prompt-template>
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Fire ALL batches simultaneously. Wait for all to complete.
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---
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## PHASE 5: FINAL VERIFICATION
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After ALL agents complete:
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```bash
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bun run typecheck # must pass
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bun test # note any NEW failures vs pre-existing
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bun run build # must pass
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```
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Produce summary:
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```markdown
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## Dead Code Removal Complete
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### Removed
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| # | Symbol | File | Type | Commit | Agent |
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|---|--------|------|------|--------|-------|
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| 1 | unusedFunc | src/foo.ts | function | abc1234 | Batch A |
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### Skipped (agent reported failure)
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| # | Symbol | File | Reason |
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|---|--------|------|--------|
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### Verification
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- Typecheck: PASS/FAIL
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- Tests: X passing, Y failing (Z pre-existing)
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- Build: PASS/FAIL
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- Total removed: N symbols across M files
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- Total commits: K atomic commits
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- Parallel agents used: P
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```
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---
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## SCOPE CONTROL
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If `$ARGUMENTS` is provided, narrow the scan:
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- File path → only that file
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- Directory → only that directory
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- Symbol name → only that symbol
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- `all` or empty → full project scan (default)
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## ABORT CONDITIONS
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STOP and report if:
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- More than 50 candidates found (ask user to narrow scope or confirm proceeding)
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- Build breaks and cannot be fixed by reverting
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</command-instruction>
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<user-request>
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$ARGUMENTS
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</user-request>
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