docs: add llm/PLAN.md and llm/STATUS.md

llm/STATUS.md

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+# GoCalGoo — Implementation Status
+
+## Current Phase: Phase 1 — Foundation
+
+**Started:** 2026-04-01  
+**Agent:** Claude Code (via OpenClaw ACP)  
+**Go Skill:** Loaded from AMCS (`go-skill` — cobra, viper, zap, chi, testify)
+
+---
+
+## Phase 1 Progress
+
+| Task | Status | Notes |
+|------|--------|-------|
+| Repo scaffold (`go.mod`, `Makefile`, `.gitignore`) | 🔄 In progress | Agent running |
+| `internal/config/` — layered config with viper | 🔄 In progress | |
+| `internal/store/` — token store (JSON, 0600) | 🔄 In progress | |
+| `internal/auth/` — OAuth2 + PKCE | 🔄 In progress | Fixed-port, random-port, manual modes |
+| `cmd/gocalgoo/` — cobra root + auth commands | 🔄 In progress | |
+| `gocalgoo config validate` command | 🔄 In progress | |
+| `configs/config.yaml` example | 🔄 In progress | |
+| `go build ./...` passes | ⏳ Pending | |
+| Committed and pushed to Gitea | ⏳ Pending | |
+
+---
+
+## Phase History
+
+### Phase 1 — Foundation
+- **Goal:** Repo scaffold, config system, logging, token store, OAuth2 CLI
+- **Started:** 2026-04-01 ~20:55 SAST
+- **Completed:** —
+
+---
+
+## Upcoming Phases
+
+| Phase | Description |
+|-------|-------------|
+| 2 | Google API integrations: calendars list, events CRUD, contacts list/add |
+| 3 | CLI polish: output formats (table/json/yaml), validation, error handling |
+| 4 | HTTP API: chi router, auth middleware, REST endpoints, API key management |
+| 5 | MCP server: stdio transport, HTTP transport, tools, resources, session handling |
+| 6 | Hardening: audit log, retry/backoff, quota awareness, test matrix, release packaging |
+
+---
+
+## Notes
+
+- Module path: `git.warky.dev/wdevs/gocalgoo`
+- Gitea remote: `http://10.23.89.1:3000/wdevs/GoCalGoo`
+- AMCS Go skill used: `go-skill` (id: `ea7f18c8-639b-4166-9272-f98f4a2e53c7`)
+- Config precedence: CLI flags > env vars > profile config > base config > defaults
+- No CLI→API internal calling — all surfaces share the service layer directly