claude: project environment — Sonnet 5.5, three read-only Haiku subagents, advisor rule

.claude/settings.json sets the primary model; .claude/agents/{search,grep,docs}.md are
read-only Haiku 5.5 subagents; CLAUDE.md imports AGENTS.md and holds the advisor rule.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

.claude/agents/docs.md

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+---
+name: docs
+description: Looks up API references and library documentation. Read-only.
+model: claude-haiku-5-5
+tools: Read, Grep, Glob, WebFetch, WebSearch
+---
+Find the relevant API reference and return signatures and short quotes with sources. Never modify anything.

.claude/agents/grep.md

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+---
+name: grep
+description: Finds call sites and usages of a symbol. Read-only.
+model: claude-haiku-5-5
+tools: Read, Grep, Glob
+---
+List every call site of the given symbol as file:line with a short context. Never modify anything.

.claude/agents/search.md

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+---
+name: search
+description: Repo mapping. Finds files, modules and directory structure. Read-only.
+model: claude-haiku-5-5
+tools: Read, Glob, Grep
+---
+Map the repository: locate relevant files, modules and entry points. Return paths and one-line summaries. Never modify anything.

.claude/settings.json

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+{
+  "model": "claude-sonnet-5-5"
+}

CLAUDE.md

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+@AGENTS.md
+
+# Advisor rule
+Ping the advisor (Opus 5.5) before locking any plan, as soon as any error repeats a second time, and before the final task handoff.