docs: PR triage report for 6 open stabilization PRs

docs/PR_TRIAGE_2026-03-07.md

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+# PR Triage Report - 2026-03-07
+
+## Summary
+
+6 open PRs from fork `whitmo/multiclaude` targeting `dlorenc/multiclaude:main`.
+All PRs build, pass tests, and align with ROADMAP.md priorities.
+All are individually mergeable with current main (`dfad1a5`).
+
+## Recommended Merge Order
+
+Merge in this order to avoid conflicts:
+
+### Wave 1: No conflicts (can merge in any order)
+
+| # | PR | Priority | Title |
+|---|-----|----------|-------|
+| 1 | [#359](https://github.com/dlorenc/multiclaude/pull/359) | P0 | fix: replace `--append-system-prompt-file` with `--append-system-prompt` |
+| 2 | [#361](https://github.com/dlorenc/multiclaude/pull/361) | P0 | fix: improve worktree sync reliability for refresh operations |
+| 3 | [#363](https://github.com/dlorenc/multiclaude/pull/363) | P1 | feat: Track PR outcomes end-to-end in task history |
+
+These three PRs have zero conflicts with each other or any other open PR.
+
+### Wave 2: Merge before #364
+
+| # | PR | Priority | Title |
+|---|-----|----------|-------|
+| 4 | [#360](https://github.com/dlorenc/multiclaude/pull/360) | P0 | fix: improve worker lifecycle reliability |
+| 5 | [#362](https://github.com/dlorenc/multiclaude/pull/362) | P1 | fix: recover crashed agents by recreating missing tmux windows |
+
+These conflict with #364 but not with each other or Wave 1 PRs.
+
+### Wave 3: Merge last (needs rebase)
+
+| # | PR | Priority | Title |
+|---|-----|----------|-------|
+| 6 | [#364](https://github.com/dlorenc/multiclaude/pull/364) | P0 | fix: Clear error messages with structured errors and suggestions |
+
+Conflicts with #360 (`internal/cli/cli.go`) and #362 (`internal/daemon/daemon.go`).
+Must be rebased after both merge.
+
+## Roadmap Coverage
+
+| Roadmap Item | Priority | PR(s) |
+|-------------|----------|-------|
+| Reliable worker lifecycle | P0 | #360 |
+| Worktree sync | P0 | #361 |
+| Clear error messages | P0 | #364 |
+| Task history | P1 | #363 |
+| Agent restart | P1 | #362 |
+| Bug fix (prompt flag) | P0 | #359 |
+
+## Verification
+
+All PRs verified on 2026-03-07:
+- `go build ./cmd/multiclaude` - pass
+- `go test ./...` (relevant packages) - pass
+- `git merge-tree` against `upstream/main` - clean
+- Inter-PR conflict matrix tested via sequential merge