docs: update CHANGELOG for PR #9 selective skill description merge

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

CHANGELOG.md

@@ -6,8 +6,18 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+- **Skill descriptions improved — 19 skills updated** (`examples/skills/`): cleaner, action-oriented descriptions with explicit "Use when" triggers across the full skill library. Selective merge from @popey (Tessl) PR #9 (`tessl skill review`): kept improved `description:` lines across all 19 skills while preserving full reference documentation in template skills (audit-agents-skills, ccboard, design-patterns). Skills updated: guide-recap, landing-page-generator, pr-triage, release-notes-generator, skill-creator, voice-refine, talk-pipeline (7 stages), audit-agents-skills, ccboard, cyber-defense-team, design-patterns, issue-triage, rtk-optimizer.
+
+- **Fix — MCP vs CLI token overhead claim updated** (`guide/ecosystem/mcp-vs-cli.md`): corrected outdated token cost figures following v2.1.7 MCP Tool Search (lazy loading). The pre-v2.1.7 claim of "500-2,000 tokens per server" described eager loading, no longer the default. Updated: "Token cost of MCP schemas" section rewritten with lazy loading mechanics and measured 85% reduction benchmark (55K → 8.7K for 5-server setup); "Schema token cost" weakness nuanced; "Zero context overhead" CLI strength nuanced; guidance table "Tight context budget" row updated. Credit: Antoine Salesse for flagging the inconsistency with `architecture.md` §MCP Tool Search.
+
+- **Resource Evaluation #081 — Rippletide Code** (`docs/resource-evaluations/081-rippletide-code-rule-enforcement.md`): hook-native runtime rule enforcement for Claude Code (score 3/5, integrate with caveats). Addresses the documented CLAUDE.md degradation problem: rules ignored after 40+ entries, lost after context compaction. Architecture: Context Graph stored outside LLM context window + PreToolUse hooks block violations before execution. Distinct product from eval 072 (MCP/eval SaaS). Free beta (`npx rippletide-code`, no signup). Integration plan: (1) document the enforcement pattern in ultimate-guide.md CLAUDE.md limitations section, (2) add "Rule enforcement" gap to third-party-tools.md Known Gaps table, (3) add Rippletide entry in new Rule Enforcement section. Multiple claims unverified (compaction-resistance, "50% of issues", "<5s build") — treat as company claims. Watch trigger for 4/5: public GitHub repo >100 stars OR independent practitioner write-up from production.
+
+- **New self-assessment section — Agent Adoption Curve** (`guide/roles/learning-with-ai.md`): 7-level maturity scale (0-6) for developers to self-locate on the Claude Code sophistication spectrum. Covers from "never used AI tools" (Level 0) to "orchestrating agent graphs" (Level 6), with 4 quick diagnostic questions and routing to relevant guide sections by level. Adapted from Nicolas Martignole (Back Market) maturity framework (March 2026). Inserted before the 30-Day Progression Plan as a prerequisite self-placement tool.
+
 - **New guide section §5.5 — Registry-based Discovery: ctx7 CLI** (`guide/ultimate-guide.md`): Context7's CLI companion (`npx ctx7`) for automated skill discovery and MCP setup. Documents `ctx7 skills suggest` (dependency-aware skill recommendations), `ctx7 skills install owner/repo`, `ctx7 setup --claude` wizard, and `ctx7 docs` terminal lookup. Clarifies agentskills.io (open spec) vs context7.com/skills (registry) relationship. Cross-reference note added to `guide/ecosystem/mcp-servers-ecosystem.md` Context7 section. Resource evaluation: `docs/resource-evaluations/2026-03-17-context7-cli.md` (score 4/5).
 
+- **Resource Evaluations #079 + #080 + ecosystem landscape** (`docs/resource-evaluations/079-fabro-workflow-orchestration.md`, `080-goose-block-coding-agent.md`): two evaluations + Perplexity competitive landscape analysis. **Fabro** (3/5, Watch): graph-based workflow orchestrator for coding agents (MIT, Rust single binary, 28 stars / 4 days old). Differentiators: DOT graph pipeline as diffable text (distinct from Ruflo/Pipelex/Athena Flow), Git checkpointing per stage (code + metadata committed to a branch after each step — no equivalent found in landscape), native `claude` CLI integration. Feature set unverified at evaluation. Re-eval trigger: >200 stars or practitioner write-up. Added to `watch-list.md`. **Goose by Block** (4/5, update): already documented in §11.1 but with stale data. Updated `guide/ecosystem/ai-ecosystem.md` §11.1: stats refreshed (15.4k → 33k stars, Jan → Mar 2026); MCP count inconsistency resolved ("3,000+" → "Thousands of"); added **Recipes** section (Goose's versionable multi-step workflows — closest analogy to Claude Code skills + commands combined); added **Subagent orchestration** section (heterogeneous agent teams with per-role model assignment, cross-reference §9). Competitive landscape (Perplexity): LangGraph closest graph-based equivalent (34k stars, Python, general purpose — no Git checkpointing); AutoGen (47.9k), CrewAI (34.7k), OpenHands (48k) also mapped. Fabro's Git-checkpointing-per-stage has no equivalent across all surveyed tools.
+
 - **Doc audit — stats sync**: corrected stale counts across guide + landing. Templates: 204/216/217/218/222/232 → unified to 217 (per `check-landing-sync.sh` logic). Guide lines: "22K" → "23K+" (actual: 23,422). Quiz: reference.yaml `quiz_count` and llms*.txt had 311 → corrected to 271 (actual count). Version in llms.txt / llms-full.txt / machine-readable/llms.txt bumped 3.36.0 → 3.37.0. Landing updated: FeaturesGrid, GuideComparison, WhyGuide, McpDemo, cheatsheet page, index.astro, compare page, and guide content files (00-introduction, index, 09-advanced-patterns, 12-appendices).
 
 ## [3.37.0] - 2026-03-17