feat(skills): project-bootstrap@1.11.0 — .gitignore meta-isolation block

Step 1 now ships agent meta-paths inversions (`!.claude/`, `!.tasks/`,
`!.wiki/`, `!.brainstorm/`, `!.archive/`, `!.mcp/`, `!.mcp.json`,
`!MEMORY.md`) so own greenfield/upgrade projects re-enable visibility
against the global `core.excludesFile` cutter (`~/.config/git/ignore`)
that hides obvyaska from forks of upstream open-source. Without it any
fresh bootstrap landed an empty first commit on machines with the global
configured: setup-wiki/setup-tasks/Step 5 created .wiki/.tasks/CLAUDE.md
but git ignored them.

Two cases handled in Step 1:
- no .gitignore → write template (block included unconditionally)
- existing .gitignore → marker-based (`# AI обвеска — слой 2:`)
  append-if-missing; idempotent on re-run

Smoke-tested in %TEMP%\test-bootstrap-meta-iso: all 3 acceptance
criteria pass + negative control (strip block → global hides) +
idempotency (re-run with marker present skips). Source concept:
workshop wiki concepts/meta-out-of-repo.md. Closes board task
[meta-isolation-bootstrap-skill-update].

MINOR bump (1.10.1 → 1.11.0) — new feature, backward-compat.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

skills/project-bootstrap/SKILL.md

@@ -1,6 +1,6 @@
 ---
 name: project-bootstrap
-version: 1.10.1
+version: 1.11.0
 description: >
   Initializes or upgrades a project in the current folder: git, .gitignore, README.md,
   .wiki/ using Karpathy's method, .tasks/ for task tracking, CLAUDE.md with skill triggers.
@@ -61,8 +61,37 @@ If git is not initialized:
 git init
 ```
 
-If `.gitignore` does not exist — create from template `assets/.gitignore.template`.
-If it exists — leave it untouched.
+### `.gitignore`
+
+The template `assets/.gitignore.template` contains two parts:
+
+1. Standard ignore rules (deps, build, env, IDE, OS, logs).
+2. **Meta-isolation block** — `!`-inversions for `.claude/`, `.tasks/`, `.wiki/`,
+   `.brainstorm/`, `.archive/`, `.mcp/`, `.mcp.json`, `MEMORY.md`. This block
+   re-enables tracking of agent meta-paths in **own** repos against the
+   global `core.excludesFile` rule (`~/.config/git/ignore`) that hides them
+   from forks of upstream open-source. Without it, the `.tasks/`, `.wiki/`,
+   and `.claude/` directories created by Steps 3-5 would be invisible to git
+   on machines where the global excludesFile is configured, and the first
+   commit would be empty of agent obvyaska. Full design: workshop wiki
+   `concepts/meta-out-of-repo.md` (sections "Слой 2" and "Новые проекты").
+
+Two cases:
+
+- **`.gitignore` does not exist** — create from `assets/.gitignore.template`
+  (block included unconditionally).
+- **`.gitignore` exists** — check for the marker line
+  `# AI обвеска — слой 2:` (substring match, case-sensitive). If absent →
+  append the meta-isolation block (with the marker comment) to the end of
+  the file, prefixed by a blank line if the file does not already end with
+  one. If present → leave the file untouched.
+
+The block is **scoped to own projects**. The bootstrap skill currently has no
+fork-of-upstream mode (greenfield-full creates a brand-new Gitea repo;
+add-remote and upgrade operate on the user's own repos), so the block is
+applied unconditionally in all current modes. If a fork-bootstrap mode is
+ever added, the block must be **omitted** there — putting `!.claude/` etc.
+into a fork's `.gitignore` would diverge from upstream's ignore rules.
 
 ---