docs(skills): align documentation-lookup with CONTRIBUTING template; add cross-harness (Codex/Cursor) skill copies

Made-with: Cursor

.cursor/skills/documentation-lookup/SKILL.md

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+---
+name: documentation-lookup
+description: Use up-to-date library and framework docs via Context7 MCP instead of training data. Activates for setup questions, API references, code examples, or when the user names a framework (e.g. React, Next.js, Prisma).
+origin: ECC
+---
+
+# Documentation Lookup (Context7)
+
+When the user asks about libraries, frameworks, or APIs, fetch current documentation via the Context7 MCP (tools `resolve-library-id` and `query-docs`) instead of relying on training data.
+
+## Core Concepts
+
+- **Context7**: MCP server that exposes live documentation; use it instead of training data for libraries and APIs.
+- **resolve-library-id**: Returns Context7-compatible library IDs (e.g. `/vercel/next.js`) from a library name and query.
+- **query-docs**: Fetches documentation and code snippets for a given library ID and question. Always call resolve-library-id first to get a valid library ID.
+
+## When to Use This Skill
+
+Activate when the user:
+
+- Asks setup or configuration questions (e.g. "How do I configure Next.js middleware?")
+- Requests code that depends on a library ("Write a Prisma query for...")
+- Needs API or reference information ("What are the Supabase auth methods?")
+- Mentions specific frameworks or libraries (React, Vue, Svelte, Express, Tailwind, Prisma, Supabase, etc.)
+
+## How to Fetch Documentation
+
+### Step 1: Resolve the Library ID
+
+Call the **resolve-library-id** MCP tool with:
+
+- **libraryName**: The library or product name taken from the user's question (e.g. `Next.js`, `Prisma`, `Supabase`).
+- **query**: The user's full question. This improves relevance ranking of results.
+
+You must obtain a Context7-compatible library ID (format `/org/project` or `/org/project/version`) before querying docs. Do not call query-docs without a valid library ID from this step.
+
+### Step 2: Select the Best Match
+
+From the resolution results, choose one result using:
+
+- **Name match**: Prefer exact or closest match to what the user asked for.
+- **Benchmark score**: Higher scores indicate better documentation quality (100 is highest).
+- **Source reputation**: Prefer High or Medium reputation when available.
+- **Version**: If the user specified a version (e.g. "React 19", "Next.js 15"), prefer a version-specific library ID if listed (e.g. `/org/project/v1.2.0`).
+
+### Step 3: Fetch the Documentation
+
+Call the **query-docs** MCP tool with:
+
+- **libraryId**: The selected Context7 library ID from Step 2 (e.g. `/vercel/next.js`).
+- **query**: The user's specific question or task. Be specific to get relevant snippets.
+
+Limit: do not call query-docs (or resolve-library-id) more than 3 times per question. If the answer is unclear after 3 calls, use the best information you have.
+
+### Step 4: Use the Documentation
+
+- Answer the user's question using the fetched, current information.
+- Include relevant code examples from the docs when helpful.
+- Cite the library or version when it matters (e.g. "In Next.js 15...").
+
+## Code Examples
+
+Example flow for "How do I set up Next.js middleware?":
+
+1. Call **resolve-library-id** with `libraryName: "Next.js"`, `query: "How do I set up Next.js middleware?"`.
+2. From results, pick the best match (e.g. `/vercel/next.js`) by name and benchmark score.
+3. Call **query-docs** with `libraryId: "/vercel/next.js"`, `query: "How do I set up Next.js middleware?"`.
+4. Use the returned snippets and text to answer; include a minimal `middleware.ts` example from the docs if relevant.
+
+## Best Practices
+
+- **Be specific**: Use the user's full question as the query where possible for better relevance.
+- **Version awareness**: When users mention versions, use version-specific library IDs from the resolve step when available.
+- **Prefer official sources**: When multiple matches exist, prefer official or primary packages over community forks.
+- **No sensitive data**: Do not include API keys, passwords, or other secrets in any query sent to Context7.
+
+## When to Use
+
+Use this skill whenever the user's request depends on accurate, up-to-date behavior of a library, framework, or API. It applies across harnesses that have the Context7 MCP configured (e.g. Claude Code, Cursor, Codex with Context7).