chore(task-85): update launcher workflow and backlog tracking

docs/subagents/agents/codex-texthooker-ui-playwright-20260220T003827Z-k3p9.md

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+# Agent: codex-texthooker-ui-playwright-20260220T003827Z-k3p9
+
+- alias: codex-texthooker-ui-playwright
+- mission: Run Playwright MCP smoke/regression checks for texthooker-ui changes
+- status: completed
+- branch: main
+- started_at: 2026-02-20T00:38:27Z
+- heartbeat_minutes: 5
+
+## Current Work (newest first)
+
+- [2026-02-20T00:42:09Z] handoff: Playwright MCP smoke run complete on local `texthooker-ui` (`http://127.0.0.1:4174`) with injected markup fixtures for highlight behavior and copy flow.
+- [2026-02-20T00:42:09Z] test: `bun install` (deps restored), `bun run dev --host 127.0.0.1 --port 4174` (manual run), Playwright checks (UI load/settings toggles/persistence/copy), `bun test src/util.test.ts` pass (7/7).
+- [2026-02-20T00:42:09Z] result: new settings toggles render and persist (`bannou-texthooker-enable{KnownWord|NPlusOne|Frequency|Jlpt}Coloring` saved as `0/1`); copy button writes plain text from markup (`既知 新語 頻度 級`).
+- [2026-02-20T00:42:09Z] observation: disabling toggles does not retroactively re-render already persisted lines; existing HTML markup remains unchanged until new line ingestion path runs.
+- [2026-02-20T00:38:27Z] intent: execute browser-based checks against local `texthooker-ui` for recent highlight-toggle related changes; capture failures with reproducible steps and logs.
+- [2026-02-20T00:38:27Z] planned files: `texthooker-ui/src/**/*` (read-only inspection), `docs/subagents/INDEX.md`, `docs/subagents/agents/codex-texthooker-ui-playwright-20260220T003827Z-k3p9.md`.
+- [2026-02-20T00:38:27Z] backlog: associated validation run with existing `TASK-87` (`backlog/tasks/task-87 - Fix-plugin-start-flow-so-tokenization-frequency-N1-initialize-correctly.md`) because scope is frequency/N+1 highlighting behavior verification.
+- [2026-02-20T00:38:27Z] assumptions: local `texthooker-ui` dev/preview server starts with project scripts and exposes stable UI hooks for smoke checks.
+
+## Files Touched
+
+- `docs/subagents/INDEX.md`
+- `docs/subagents/agents/codex-texthooker-ui-playwright-20260220T003827Z-k3p9.md`
+
+## Open Questions / Blockers
+
+- none
+
+## Next Step
+
+- none