model-config-synclisted

Re-validate this machine's model-routing configuration against the current official docs. Propose changes only — never apply an edit without explicit user confirmation. 1. Fetch `https://code.claude.com/docs/llms.txt`, then the current pages on model configuration, settings, subagents, advisor, and skills. 2. Read `~/.claude/settings.json`, `~/.claude/agents/*.md`, `~/.claude/rules/effort-escalation.md`, and this skill file. 3. Verify against the docs just fetched (not memory): - every settings key still exists with the same semantics: `model` absent ⇒ plan Default applies; `fallbackModel` array; `advisorModel`; no persistent `effortLevel` - what `default`, `best`, `fable`, `opus`, `sonnet`, `haiku` currently resolve to for this account, and that the fallback chain still steps one tier down per entry within the documented chain-length cap - subagent frontmatter is still valid (`model: fable`, `tools`), and whether a higher-tier alias now exists or `best` became valid in frontmatter - advisor pairing rules still accept the configured advisor for the models in use, and whether an advisor fallback chain has become a documented feature - no versioned model ID has crept into any of these files - extended-context defaults: whether any `[1m]` suffix became necessary or redundant 4. Report a table — item, current value, docs say, action needed — then show proposed file diffs and wait for approval before editing anything. Recommend