feat(kyberforge): execute plugin-to-apm marketplace conversion

Why:
ADR-0015 established that Microsoft APM (apm.yml + .apm/) should replace
this repo's hand-authored plugin.json/marketplace.json model, with those
files becoming compiled output of `apm pack` instead of files edited by
hand via the (now-retired) plugin-author/marketplace-author skills.
Issue #90 was the deferred execution of that decision, gated on #88
(apm tooling) and #89 (apm-native agent-author/skill-author routing).

Implementation notes:
- All six plugins (bin, core, git, gitea, kyberforge, lint) now carry
  apm.yml + .apm/{skills,agents,hooks} as their authoring source. Skills
  moved with a plain git mv (content-identical across targets). Agents
  were re-authored, not moved: per ADR-0016, .apm/agents/*.agent.md
  compiles verbatim to both Claude and Copilot, so plugin-scope agents
  now carry only name/description/model/source_keys -- no tools: field,
  no Claude-only knobs (isolation, maxTurns, effort, memory,
  permissionMode).
- Root apm.yml registers all 7 marketplace packages (6 local plus
  mattpocock-skills as a remote entry) under versioning: per_package,
  matching this repo's existing independent-plugin-versioning practice.
- .claude-plugin/marketplace.json and every plugin's plugin.json are now
  apm-pack-compiled output, verified against the prior hand-maintained
  content: same names/descriptions/versions/licenses/authors, only
  cosmetic serialization differences (JSON key order, owner email vs.
  url, Unicode escaping).
- plugin-author and marketplace-author are retired now that apm-based
  authoring fully replaces their job; kyberforge bumped 1.3.1 -> 1.4.0
  for that removal, and the root marketplace catalog bumped
  0.3.1 -> 0.3.2 to match, per the version-bump convention now
  documented in apm-workflow's reference docs instead of a dedicated
  script (apm has no native version-bump automation).
- Fixed hardcoded pre-.apm/ path assumptions across
  .pre-commit-config.yaml, .pre-commit-hooks.yaml,
  scripts/check-scope-walkup-sync.sh, scripts/sync-vale-styles.sh,
  scripts/check-vale-style-sync.sh, six plugins' root plugin.json
  (stale skills/hooks/agents pointer fields that check-manifests.sh
  validates), and several tests/*.bats and tests/*.sh fixtures --
  including a bats REPO_ROOT relative-path depth bug (10 files, one
  extra .apm/ directory level to walk up) and a vale probe-path
  isolation regression introduced mid-fix.
- Corrected empirically-wrong assumptions surfaced this session in
  apm-workflow/apm-install's own reference docs: `apm marketplace
  package add` does not accept local paths (only owner/repo remote
  shorthand -- local packages are registered by editing apm.yml's
  marketplace.packages[] directly); `apm compile` is a consumer-side
  AGENTS.md/CLAUDE.md generator, not the plugin.json producer, and
  hard-fails on skill/agent-only packages without --clean; `apm plugin
  init <name>` nests a stray subdirectory when run with a positional
  name arg from inside a same-named directory; no native Copilot
  marketplace output profile exists; .mcp.json is merged into the
  compiled plugin.json content-aware and target-scoped, with no
  dependencies.mcp entry needed for simple passthrough; pipx is the
  correct pip fallback on externally-managed Python environments.
- Renamed agent-author's copilot.agent.md template asset to
  copilot.agent.md.template so apm compile's recursive *.agent.md glob
  stops misparsing the placeholder template as a real agent primitive.

Impact:
plugin.json and marketplace.json are compiled artifacts from here on --
editing them by hand is no longer the workflow; edit apm.yml/.apm/ and
run apm pack. CONTEXT.md's Plugin/Plugin marketplace glossary entries
reflect this. ADR-0001 is marked superseded, ADR-0006 moot, and
ADR-0010 updated for the new .apm/agents/ path (project/user scope
unaffected, per ADR-0016). Full local verification: claude plugin
validate --strict on all 6 plugins, apm audit --ci, apm marketplace
check, check-manifests.sh, and the full test suite (165/165 bats,
13/13 shell scripts) all pass clean.

Fixes: #90
Refs: #88, #89
ADR: 0015
ADR: 0016

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Ub96PyaSRD9BHPktotj1pC

plugins/gitea/.apm/skills/gitea-branches/references/branches.md

@@ -0,0 +1,81 @@
+---
+topic: branches
+source_keys:
+  - gitea-mcp-repo
+  - gitea-mcp-slim-go
+---
+
+# Branch operations
+
+Call signatures below were verified live against the deployed `gitea-mcp` server via `ToolSearch`
+at authoring time, not copied from research docs — this is deliberate: research docs are generated
+from source code at a point in time and can drift from the server actually deployed. Re-verify
+against the live schema if these tools appear to behave differently than documented here.
+
+## `list_branches`
+
+**Parameters:**
+- `owner` (string, required)
+- `repo` (string, required)
+- `page` (number, optional, default: `1`)
+- `per_page` (number, optional, default: `30`)
+
+**Call:**
+```
+list_branches owner: <owner> repo: <repo>
+```
+
+**Response:** one object per branch: `name`, `protected` (bool), `commit_sha` (present when the
+underlying commit data is available).
+
+Paginate if you need the full list (see Gotchas in SKILL.md) — iterate `page` until the returned
+count is less than `per_page`.
+
+## `create_branch`
+
+**Parameters:**
+- `owner` (string, required)
+- `repo` (string, required)
+- `branch` (string, required) — new branch name
+- `old_branch` (string, optional) — source branch; if omitted, defaults to the repo's default
+  branch server-side (not necessarily your current local checkout)
+
+**Call:**
+```
+create_branch owner: <owner> repo: <repo> branch: <new-name> old_branch: <source-branch>
+```
+
+Default dispatch: if the user gives a base ("branch off of X", "from X"), pass it as `old_branch`.
+If they don't specify a base and you're mid-task on a local branch, pass your current branch
+(`git branch --show-current`) as `old_branch` so the new branch forks from where you're actually
+working, rather than silently falling back to the repo default. If neither applies (e.g. a fresh
+top-level request with no working branch context), omit `old_branch` and let it default server-side.
+
+A branch name collision returns `409 Conflict`.
+
+## `delete_branch`
+
+**Parameters:**
+- `owner` (string, required)
+- `repo` (string, required)
+- `branch` (string, required)
+
+**Call:**
+```
+delete_branch owner: <owner> repo: <repo> branch: <name>
+```
+
+Before calling this, see the hard-refusal Gotcha in SKILL.md. If the target branch's name isn't
+obviously a scratch/feature branch, call `list_branches` first and check `protected` on the
+matching entry — name-matching `main`/`master` alone isn't authoritative, since a repo can protect
+a differently-named default branch. Confirm explicitly with the user before deleting anything
+protected, every time, regardless of how the request is phrased.
+
+## Token scope
+
+All three — `list_branches`, `create_branch`, `delete_branch` — require `write:repository`. Gitea
+gates reads behind write scope for repo-scoped operations, so `list_branches` needs the same scope
+as the write operations, not `write:issue` alone. An earlier version of this doc claimed
+`write:issue` alone was sufficient for `list_branches`, based on empirical testing under a token
+that held both `write:issue` and `write:repository` simultaneously — that test didn't isolate the
+variable, so it couldn't actually establish `write:issue` alone as sufficient.