v2.2-paseo-providers: Paseo provider stack + v2.2.1 pane-scoped chat fixes

Ship Paseo-equivalent provider snapshot, AgentComposerBar, ACP dispatch
rewrite with streaming/persist, permission prompts, and agent commands.
Follow-up: pane-scoped chat resolution, CoderMessageList tool timeline,
WS user-delta replace, and inference orphan tool_call stripping.
Archive openspec v2-2; update CHANGELOG and CURRENT.

Co-authored-by: Cursor <cursoragent@cursor.com>

data/skills/boocode/improving-boocode-guidance/SKILL.md

@@ -12,10 +12,10 @@ Audit guidance files in a BooCode project against a 10-dimension rubric, then pr
 Find every guidance file in the project. The expected set:
 
 - `CLAUDE.md` (repo root) — engineering conventions, gotchas, commands
+- `AGENTS.md` (repo root) — **agent navigation** (doc map, task routing, openspec usage). Not the agent registry.
 - `BOOCHAT.md` (repo root) — container guidance for the read-only chat surface
-- `BOOCODER.md` (repo root) — container guidance for the future write-capable surface (currently a stub)
-- `data/AGENTS.md` — single-file tier-2 agent registry, `## H2` per agent
-- `AGENTS.md` (repo root) — non-BooCode convention; rare in this repo
+- `BOOCODER.md` (repo root) — container guidance for the write-capable surface
+- `data/AGENTS.md` — single-file tier-2 **agent registry**, `## H2` per agent
 
 Glob with `find_files` then load each with `view_file`: