refactor(gitea): deep modules — split flat dispatch skill into 6 domain skills + orchestrator + agent (#67)

plugins/gitea/skills/gitea-workflow/SKILL.md

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+---
+name: gitea-workflow
+
+description: >
+  Use when a human wants a general or ambiguous Gitea status check or isn't sure which Gitea
+  domain skill applies — a no-args check-in ("what's going on in the repo", "any updates?"),
+  a bare-numbered reference that could be an issue or a PR ("what's the status of #42", "what's
+  happening with #17"), or a request to discover which Gitea capability handles a task. This is
+  the human-facing entry point and router for the Gitea integration — it replaces the old flat
+  `/gitea` invocation (now `/gitea-workflow`) and composes the six domain skills
+  (`gitea-issues`, `gitea-labels-milestones`, `gitea-prs`, `gitea-branches`, `gitea-files`,
+  `gitea-releases`) rather than calling any Gitea MCP tool directly. Do not use this skill when
+  the domain is already known and unambiguous — invoke the matching domain skill directly instead
+  (e.g. "create an issue" → `gitea-issues`, "merge PR #10" → `gitea-prs`, "cut a release" →
+  `gitea-releases`). Do not use for local git operations with no Gitea component (use
+  `git-workflow`).
+
+compatibility: Requires Gitea MCP server configured with a token; delegates all calls to the six
+  domain skills, which in turn require write:issue and write:repository scopes at minimum.
+
+metadata:
+  category: integration
+  version: "0.1.0"
+  source_keys:
+    - gitea-mcp-repo
+    - gitea-mcp-slim-go
+    - context7-websites-gitea
+---
+
+## Gotchas
+
+- **This skill never calls a Gitea MCP tool itself.** Every read or write goes through one of the six domain skills. If a request needs a raw `mcp__gitea__*` call that no domain skill exposes, that's a gap in a domain skill, not something to patch here.
+- **Issues and PRs share one number space** — a bare number like `#42` could be either. Never guess from context clues alone; resolve it with a real call (see Step 2) before dispatching.
+- **A 404 on the resolution call doesn't necessarily mean the number doesn't exist.** Gitea hides permission errors as not-found (documented in `gitea-issues`' Gotchas). If resolution 404s unexpectedly, say so and suggest checking token scope rather than reporting "no such issue or PR."
+
+## Step 1 — Default status view (no args)
+
+When invoked with no specific request, give a status check-in:
+
+1. Invoke `gitea-issues` to list open issues (`state: "open"`).
+2. Invoke `gitea-prs` to list open PRs (`state: "open"`).
+3. Run both in parallel — they're independent reads.
+4. Report as two sections, "Open Issues" and "Open Pull Requests", each as a compact list (number, title). This preserves the original flat `/gitea` skill's default behavior.
+
+## Step 2 — Resolve an ambiguous number
+
+When the user references a bare number without saying "issue" or "PR" (e.g. "what's going on with #42"):
+
+1. Invoke `gitea-issues` to run `issue_read method: "get"` on that number.
+2. Check the response's `is_pull` field:
+   - `true` → it's a PR. Invoke `gitea-prs` for full PR detail (status, diff, reviews as appropriate to the request) and present that instead.
+   - `false` or absent → it's an issue. Present the issue detail already retrieved.
+3. If the resolution call 404s, don't conclude the number doesn't exist — report the 404 and suggest verifying token scope (`write:issue`) per `gitea-issues`' Gotchas, since permission errors are hidden as not-found in Gitea.
+
+Never dispatch to `gitea-issues` or `gitea-prs` based on guessing from phrasing alone ("that sounds like a bug" is not evidence) — always resolve first.
+
+## Step 3 — Route explicit but domain-unclear requests
+
+For requests that name a capability but not obviously which skill owns it, use this index:
+
+| Skill | Covers |
+|---|---|
+| `gitea-issues` | List/read/create/update issues, comments, search across issues and PRs. Composes `gitea-labels-milestones` for label/milestone resolution. |
+| `gitea-labels-milestones` | Label and milestone CRUD, label inference from conversation context, resolving names/titles to the numeric IDs writes require. Cross-cutting — used by both `gitea-issues` and `gitea-prs`. |
+| `gitea-prs` | List/read/create/update/merge PRs, code reviews. Composes `gitea-labels-milestones` the same way `gitea-issues` does. |
+| `gitea-branches` | Branch list/create/delete, plus commit history (list commits, get a single commit by SHA). |
+| `gitea-files` | Read/write/delete individual files, list a directory, walk the full repo tree. |
+| `gitea-releases` | Release and tag CRUD — draft/prerelease flags, release notes, semver tags. |
+
+If a request clearly names one of these (e.g. "create a milestone" → `gitea-labels-milestones`, "read this file from the repo" → `gitea-files`), invoke that skill directly rather than routing through here. Use this table only when the user or an upstream agent is unsure which skill applies.
+
+## Step 4 — Report
+
+Present results in plain language. For the status view, two labeled sections. For a resolved ambiguous number, say which domain it turned out to be before showing detail ("That's a pull request:" / "That's an issue:"). For routing, name the skill and hand off — don't duplicate its output format, let it report.