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Step 7 of i2s-skill-split refactor. Fourth atomic sub-skill — first one that uses external tools (WebFetch, WebSearch). Contents: - SKILL.md: 6 numbered phases (load + frame questions, show + stadt-frage, web-research, report, v0.2-vorschlaege, export) with entry/exit. description includes anti-trigger to compound-engineering:ce-web-researcher for non-Idea2Self research. - workflows/recherche.md: 6-step workflow with two cluster schemas (Problem / Zielgruppe). git mv from monolith, paths updated to local refs. - references/kommunikationsregeln.md: curated extract with recherche-specific dialog heuristics (no source halluci- nation, source-conflict-handling, scope-recovery). - references/recherche-regeln.md: full curated extract - einfache vs tiefe recherche table, quellen-qualitaet pflichten (min 2 unabh quellen, primaer > sekundaer, datum-pflicht), widerspruchs-handling, stadt-spezifische recherche, output- schema pro frage, anti-patterns. - references/recherche-report-format.md: curated markdown schema for ## Recherche-Report sektion with full filled example. Tools include WebFetch + WebSearch (the recherche actually hits the web). Read, Write, Edit, Glob, Grep, AskUserQuestion, TodoRead, TodoWrite round out the set. Precondition: ## Problem-Statement + ## Persona both required. Output: ## Recherche-Report + optional v0.2-updates to PS and Persona (only on explicit user confirmation).