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.paul/phases/67-paul-codex-executor/67-01-SUMMARY.md

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+---
+phase: 67-paul-codex-executor
+plan: 01
+subsystem: infra
+tags: [paul-framework, codex, delegation, executor, fallback]
+
+requires:
+  - phase: 65-paul-delegated-apply
+    provides: Delegated-apply workflow, micro-prompt template, evaluation protocol
+
+provides:
+  - Codex CLI as alternative executor in PAUL delegated-apply
+  - Rule of thirds (1/3 Codex if >3 tasks)
+  - Auto-fallback Claude → Codex on quota error
+  - UTF-8 guard for Codex micro-prompts
+  - File overlap protection between executors
+
+affects: [all future phases using /paul:apply with >3 tasks]
+
+tech-stack:
+  added: [codex-cli]
+  patterns: [multi-executor-delegation, auto-fallback, file-conflict-detection]
+
+key-files:
+  modified:
+    - ~/.claude/paul-framework/references/delegated-apply.md
+    - ~/.claude/paul-framework/workflows/apply-phase.md
+    - ~/.claude/paul-framework/templates/PLAN.md
+
+key-decisions:
+  - "Reguła 1/3: ceil(count/3) tasków do Codex przy >3 taskach auto"
+  - "Codex dostaje najprostsze taski (fewest files)"
+  - "Codex i Claude NIE MOGĄ edytować tych samych plików"
+  - "Auto-fallback Claude→Codex przy quota error, reverse fallback przy Codex timeout"
+  - "UTF-8 guard obowiązkowy w każdym Codex micro-prompt"
+
+patterns-established:
+  - "codex exec -c 'approval_mode=\"full-auto\"' jako non-interactive executor"
+  - "File overlap check przed przydziałem executorów"
+  - "delegation: codex jako tryb wymuszający Codex dla wszystkich tasków"
+
+duration: ~10min
+started: 2026-04-03T21:00:00Z
+completed: 2026-04-03T21:10:00Z
+---
+
+# Phase 67 Plan 01: PAUL Codex Executor
+
+**Integracja Codex CLI jako alternatywny executor w PAUL — reguła 1/3 przy >3 taskach, auto-fallback Claude→Codex, ochrona plików przed współdzieleniem executorów, UTF-8 guard.**
+
+## Performance
+
+| Metric | Value |
+|--------|-------|
+| Duration | ~10min |
+| Tasks | 3 completed (delegated, parallel) |
+| Files modified | 3 |
+| Execution mode | Delegated auto (3 sub-agents parallel) |
+
+## Acceptance Criteria Results
+
+| Criterion | Status | Notes |
+|-----------|--------|-------|
+| AC-1: Reguła 1/3 Codex przy >3 taskach | Pass | Zdefiniowana w delegated-apply.md + apply-phase.md |
+| AC-2: Auto-fallback Claude → Codex | Pass | W execute_tasks + error_handling |
+| AC-3: UTF-8 guard w Codex prompts | Pass | Micro-prompt guard w delegated-apply.md |
+| AC-4: Backward compatible | Pass | <=3 tasków = bez Codex, delegation: off = inline |
+
+## Accomplishments
+
+- Sekcja "Codex Executor" w delegated-apply.md z regułą 1/3, auto-fallback, UTF-8 guard
+- Executor assignment logic w apply-phase.md z file overlap protection
+- Tryb `delegation: codex` w PLAN.md template
+- Error handling: Codex timeout, encoding issues, file conflicts
+- Anti-patterns: mixing executors on same files, Polish text without guard
+
+## Files Created/Modified
+
+| File | Change | Purpose |
+|------|--------|---------|
+| `~/.claude/paul-framework/references/delegated-apply.md` | Modified | +Codex Executor section, +codex mode, +constraints |
+| `~/.claude/paul-framework/workflows/apply-phase.md` | Modified | +executor assignment, +Codex path, +fallback, +error handling |
+| `~/.claude/paul-framework/templates/PLAN.md` | Modified | +codex mode w frontmatter, tabeli, sekcji |
+
+## Deviations from Plan
+
+None — plan executed as specified.
+
+## Next Phase Readiness
+
+**Ready:** PAUL wspiera 4 tryby delegation: auto, parallel, codex, off. Codex zintegrowany jako executor z pełną ochroną (file overlap, UTF-8, fallback).
+
+**Blockers:** None
+
+---
+*Phase: 67-paul-codex-executor, Plan: 01*
+*Completed: 2026-04-03*