chore(backlog): capture task planning and subagent handoffs

docs/subagents/agents/codex-task82-smoke-20260222T002523Z-3j7u.md

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+# Agent Session: codex-task82-smoke-20260222T002523Z-3j7u
+
+- alias: `codex-task82-smoke`
+- mission: `Execute TASK-82 e2e smoke suite for launcher/mpv/ipc/overlay end-to-end without commit`
+- status: `planning`
+- start_utc: `2026-02-22T00:25:23Z`
+- last_update_utc: `2026-02-22T00:25:23Z`
+
+## Intent
+
+- Load TASK-82 details from Backlog MCP and preserve plan of record in task.
+- Use writing-plans skill for concrete execution plan.
+- Execute via executing-plans skill with parallel subagents for independent slices.
+
+## Planned Files
+
+- `launcher/smoke.e2e.test.ts`
+- `package.json`
+- `.github/workflows/ci.yml`
+- `.github/workflows/release.yml`
+- `docs/development.md`
+- `docs/installation.md`
+
+## Assumptions
+
+- Existing launcher/mpv readiness primitives from TASK-73/TASK-74 are stable.
+- Smoke suite should run with local fakes; no real mpv/jellyfin dependency in CI.
+- Existing `docs/plans/2026-02-22-task-82-launcher-e2e-smoke-suite.md` is base plan and may be refined.
+
+## Log
+
+- `2026-02-22T00:25:23Z` session started; reading backlog + subagent context; entering planning.