release(v4.8.0): bump framework and eight skills to 4.8.0 in lockstep; archive PR #41 reviews (three rounds)

Issue #33 (job budget, wall_clock_timeout vs deadline_timeout) and
Issue #30 (notify-only stall watcher). Reviews of PR #41 in the merge
workspace: round 1 (@1673818) claude N1 / codex R1 R2 NOT PASS, agy grok
PASS; round 2 (@af0a2a2) grok N1 / codex D1 D2 NOT PASS, claude agy PASS;
round 3 (@9200562) 4/4 PASS. Reports and the round-3 identity sidecars go
to .agents/reports/<session>/. The design consensus on items A-D is in the
VERSIONS.md entry.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VCgu9Fa9iT7TbJUSzdq4Ff

.agents/skills/multi-agent-mux-resume/SKILL.md

@@ -1,7 +1,7 @@
 ---
 name: multi-agent-mux-resume
 description: "Resume an existing agent (claude, antigravity/agy) conversation by UUID into a herdr session. Reads .mam/agent-sessions.yaml for the saved session/conversation id, spawns (or reuses) a herdr session of the matching name, and runs `claude -r <id>` or `agy --conversation <id>` inside. Use when you want to reattach to a previous session's context, or revive a session whose herdr died but the agent's conversation is still on disk."
-version: 4.7.4
+version: 4.8.0
 author: godopu
 license: MIT
 platforms: [linux, macos]