feat: implement automated Swiper slider seeding and integrate slider component into training details page
This commit is contained in:
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---
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name: gitnexus-cli
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description: "Use when the user needs to run GitNexus CLI commands like analyze/index a repo, check status, clean the index, generate a wiki, or list indexed repos. Examples: \"Index this repo\", \"Reanalyze the codebase\", \"Generate a wiki\""
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---
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# GitNexus CLI Commands
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Commands below use `node .gitnexus/run.cjs <command>` — the project-local runner `gitnexus analyze` drops next to the index. It auto-selects an available runner at call time (global `gitnexus`, else `pnpm dlx`, else `npx`), so no package-manager assumption and no global install is required.
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> **Not analyzed yet, or `node .gitnexus/run.cjs` reports `Cannot find module`** (the gitignored runner is absent — e.g. a fresh clone or `git clean`)? (Re)generate it with `npx gitnexus analyze` from the project root. On **npm 11.x**, if `npx` crashes during install (`node.target is null`), install once with `npm i -g gitnexus` (then `gitnexus analyze`) or use `pnpm --allow-build=@ladybugdb/core --allow-build=gitnexus --allow-build=tree-sitter dlx gitnexus@latest analyze`. See [#1939](https://github.com/abhigyanpatwari/GitNexus/issues/1939).
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## Commands
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### analyze — Build or refresh the index
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```bash
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node .gitnexus/run.cjs analyze
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```
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Run from the project root. This parses all source files, builds the knowledge graph, writes it to `.gitnexus/`, and generates CLAUDE.md / AGENTS.md context files.
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| Flag | Effect |
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| -------------- | ---------------------------------------------------------------- |
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| `--force` | Force full re-index even if up to date |
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| `--embeddings` | Enable embedding generation for semantic search (off by default) |
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| `--drop-embeddings` | Drop existing embeddings on rebuild. By default, an `analyze` without `--embeddings` preserves them. |
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| `--pdg` | Build the program-dependence layers used by `explain` and `pdg_query` (taint, CDG, and REACHING_DEF). |
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**When to run:** First time in a project, after major code changes, or when `gitnexus://repo/{name}/context` reports the index is stale. In Claude Code, a PostToolUse hook detects staleness after `git commit` and `git merge` and notifies the agent to run `analyze` — the hook does not run analyze itself, to avoid blocking the agent for up to 120s and risking KuzuDB corruption on timeout.
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### status — Check index freshness
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```bash
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node .gitnexus/run.cjs status
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```
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Shows whether the current repo has a GitNexus index, when it was last updated, and symbol/relationship counts. Use this to check if re-indexing is needed.
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### clean — Delete the index
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```bash
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node .gitnexus/run.cjs clean
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```
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Deletes the `.gitnexus/` directory and unregisters the repo from the global registry. Use before re-indexing if the index is corrupt or after removing GitNexus from a project.
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| Flag | Effect |
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| --------- | ------------------------------------------------- |
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| `--force` | Skip confirmation prompt |
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| `--all` | Clean all indexed repos, not just the current one |
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### wiki — Generate documentation from the graph
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```bash
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node .gitnexus/run.cjs wiki
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```
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Generates repository documentation from the knowledge graph using an LLM. Requires an API key (saved to `~/.gitnexus/config.json` on first use).
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| Flag | Effect |
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| ------------------- | ----------------------------------------- |
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| `--force` | Force full regeneration |
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| `--model <model>` | LLM model (default: minimax/minimax-m2.5) |
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| `--base-url <url>` | LLM API base URL |
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| `--api-key <key>` | LLM API key |
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| `--concurrency <n>` | Parallel LLM calls (default: 3) |
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| `--gist` | Publish wiki as a public GitHub Gist |
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### list — Show all indexed repos
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```bash
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node .gitnexus/run.cjs list
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```
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Lists all repositories registered in `~/.gitnexus/registry.json`. The MCP `list_repos` tool provides the same information.
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## After Indexing
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1. **Read `gitnexus://repo/{name}/context`** to verify the index loaded
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2. Use the other GitNexus skills (`exploring`, `debugging`, `impact-analysis`, `refactoring`) for your task
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## Troubleshooting
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- **"Not inside a git repository"**: Run from a directory inside a git repo
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- **Index is stale after re-analyzing**: Restart Claude Code to reload the MCP server
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- **Embeddings slow**: Omit `--embeddings` (it's off by default) or set `OPENAI_API_KEY` for faster API-based embedding
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@@ -0,0 +1,101 @@
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---
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name: gitnexus-debugging
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description: "Use when the user is debugging a bug, tracing an error, or asking why something fails. Examples: \"Why is X failing?\", \"Where does this error come from?\", \"Trace this bug\""
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---
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# Debugging with GitNexus
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## When to Use
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- "Why is this function failing?"
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- "Trace where this error comes from"
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- "Who calls this method?"
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- "This endpoint returns 500"
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- Investigating bugs, errors, or unexpected behavior
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## Workflow
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```
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1. query({search_query: "<error or symptom>"}) → Find related execution flows
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2. context({name: "<suspect>"}) → See callers/callees/processes
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3. READ gitnexus://repo/{name}/process/{name} → Trace execution flow
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4. cypher({statement: "MATCH path..."}) → Custom traces if needed
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```
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> If "Index is stale" → run `node .gitnexus/run.cjs analyze` in terminal.
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## Checklist
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```
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- [ ] Understand the symptom (error message, unexpected behavior)
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- [ ] query for error text or related code
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- [ ] Identify the suspect function from returned processes
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- [ ] context to see callers and callees
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- [ ] Trace execution flow via process resource if applicable
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- [ ] cypher for custom call chain traces if needed
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- [ ] Read source files to confirm root cause
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```
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## Debugging Patterns
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| Symptom | GitNexus Approach |
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| -------------------- | ---------------------------------------------------------- |
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| Error message | `query` for error text → `context` on throw sites |
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| Wrong return value | `context` on the function → trace callees for data flow |
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| Intermittent failure | `context` → look for external calls, async deps |
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| Performance issue | `context` → find symbols with many callers (hot paths) |
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| Recent regression | `detect_changes` to see what your changes affect |
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| "How does A reach B?" | `trace` between the two symbols — shortest call chain in one call |
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## Tools
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**query** — find code related to error:
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```
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query({search_query: "payment validation error"})
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→ Processes: CheckoutFlow, ErrorHandling
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→ Symbols: validatePayment, handlePaymentError, PaymentException
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```
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**context** — full context for a suspect:
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```
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context({name: "validatePayment"})
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→ Incoming calls: processCheckout, webhookHandler
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→ Outgoing calls: verifyCard, fetchRates (external API!)
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→ Processes: CheckoutFlow (step 3/7)
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```
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**cypher** — custom call chain traces:
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```cypher
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MATCH path = (a)-[:CodeRelation {type: 'CALLS'}*1..2]->(b:Function {name: "validatePayment"})
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RETURN [n IN nodes(path) | n.name] AS chain
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```
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**trace** — shortest call chain between two symbols ("how does A reach B?"), one call instead of chaining `context` hops:
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```
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trace({ from: "processCheckout", to: "fetchRates" })
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→ status: ok, hopCount: 3
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→ hops: processCheckout → validatePayment → verifyCard → fetchRates
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→ edges: CALLS (1.0), CALLS (0.95), CALLS (1.0)
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```
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When no path exists, `trace` reports the furthest reachable node — exactly where the chain breaks (dynamic dispatch, reflection, or an external boundary).
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## Example: "Payment endpoint returns 500 intermittently"
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```
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1. query({search_query: "payment error handling"})
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→ Processes: CheckoutFlow, ErrorHandling
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→ Symbols: validatePayment, handlePaymentError
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2. context({name: "validatePayment"})
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→ Outgoing calls: verifyCard, fetchRates (external API!)
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3. READ gitnexus://repo/my-app/process/CheckoutFlow
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→ Step 3: validatePayment → calls fetchRates (external)
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4. Root cause: fetchRates calls external API without proper timeout
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```
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@@ -0,0 +1,78 @@
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---
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name: gitnexus-exploring
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description: "Use when the user asks how code works, wants to understand architecture, trace execution flows, or explore unfamiliar parts of the codebase. Examples: \"How does X work?\", \"What calls this function?\", \"Show me the auth flow\""
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---
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# Exploring Codebases with GitNexus
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## When to Use
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- "How does authentication work?"
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- "What's the project structure?"
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- "Show me the main components"
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- "Where is the database logic?"
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- Understanding code you haven't seen before
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## Workflow
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```
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1. READ gitnexus://repos → Discover indexed repos
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2. READ gitnexus://repo/{name}/context → Codebase overview, check staleness
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3. query({search_query: "<what you want to understand>"}) → Find related execution flows
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4. context({name: "<symbol>"}) → Deep dive on specific symbol
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5. READ gitnexus://repo/{name}/process/{name} → Trace full execution flow
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```
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> If step 2 says "Index is stale" → run `node .gitnexus/run.cjs analyze` in terminal.
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## Checklist
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```
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- [ ] READ gitnexus://repo/{name}/context
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- [ ] query for the concept you want to understand
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- [ ] Review returned processes (execution flows)
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- [ ] context on key symbols for callers/callees
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- [ ] READ process resource for full execution traces
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- [ ] Read source files for implementation details
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```
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## Resources
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| Resource | What you get |
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| --------------------------------------- | ------------------------------------------------------- |
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| `gitnexus://repo/{name}/context` | Stats, staleness warning (~150 tokens) |
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| `gitnexus://repo/{name}/clusters` | All functional areas with cohesion scores (~300 tokens) |
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| `gitnexus://repo/{name}/cluster/{name}` | Area members with file paths (~500 tokens) |
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| `gitnexus://repo/{name}/process/{name}` | Step-by-step execution trace (~200 tokens) |
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## Tools
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**query** — find execution flows related to a concept:
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```
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query({search_query: "payment processing"})
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→ Processes: CheckoutFlow, RefundFlow, WebhookHandler
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→ Symbols grouped by flow with file locations
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```
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**context** — 360-degree view of a symbol:
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```
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context({name: "validateUser"})
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→ Incoming calls: loginHandler, apiMiddleware
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→ Outgoing calls: checkToken, getUserById
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→ Processes: LoginFlow (step 2/5), TokenRefresh (step 1/3)
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```
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## Example: "How does payment processing work?"
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```
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1. READ gitnexus://repo/my-app/context → 918 symbols, 45 processes
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2. query({search_query: "payment processing"})
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→ CheckoutFlow: processPayment → validateCard → chargeStripe
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→ RefundFlow: initiateRefund → calculateRefund → processRefund
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3. context({name: "processPayment"})
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→ Incoming: checkoutHandler, webhookHandler
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→ Outgoing: validateCard, chargeStripe, saveTransaction
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4. Read src/payments/processor.ts for implementation details
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```
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@@ -0,0 +1,138 @@
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---
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name: gitnexus-guide
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description: "Use when the user asks about GitNexus itself — available tools, how to query the knowledge graph, MCP resources, graph schema, or workflow reference. Examples: \"What GitNexus tools are available?\", \"How do I use GitNexus?\""
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---
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# GitNexus Guide
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Quick reference for all GitNexus MCP tools, resources, and the knowledge graph schema.
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## Always Start Here
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For any task involving code understanding, debugging, impact analysis, or refactoring:
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1. **Read `gitnexus://repo/{name}/context`** — codebase overview + check index freshness
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2. **Match your task to a skill below** and **read that skill file**
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3. **Follow the skill's workflow and checklist**
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> If step 1 warns the index is stale, run `node .gitnexus/run.cjs analyze` in the terminal first.
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## Skills
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| Task | Skill to read |
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| -------------------------------------------- | ------------------- |
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| Understand architecture / "How does X work?" | `gitnexus-exploring` |
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| Blast radius / "What breaks if I change X?" | `gitnexus-impact-analysis` |
|
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| Trace bugs / "Why is X failing?" | `gitnexus-debugging` |
|
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| Rename / extract / split / refactor | `gitnexus-refactoring` |
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| Tools, resources, schema reference | `gitnexus-guide` (this file) |
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| Index, status, clean, wiki CLI commands | `gitnexus-cli` |
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## Tools Reference
|
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|
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| Tool | What it gives you |
|
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| ---------------- | ------------------------------------------------------------------------ |
|
||||
| `query` | Process-grouped code intelligence — execution flows related to a concept |
|
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| `context` | 360-degree symbol view — categorized refs, processes it participates in |
|
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| `impact` | Symbol blast radius — what breaks at depth 1/2/3 with confidence |
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| `trace` | Shortest path between two symbols — "how does A reach B?" in one call |
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| `detect_changes` | Git-diff impact — what do your current changes affect |
|
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| `rename` | Multi-file coordinated rename with confidence-tagged edits |
|
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| `cypher` | Raw graph queries (read `gitnexus://repo/{name}/schema` first) |
|
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| `explain` | Persisted taint findings — source→sink data flows (needs `analyze --pdg`) |
|
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| `pdg_query` | Control/data dependence — what gates X (CDG) / where Y flows (REACHING_DEF); needs `analyze --pdg` |
|
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| `check` | Check graph invariants such as circular imports |
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| `route_map` | API route map — which components/hooks fetch which endpoints, and the handler files that serve them |
|
||||
| `shape_check` | Response-shape drift — keys each route returns vs keys its consumers access (flags MISMATCH) |
|
||||
| `api_impact` | Pre-change report for an API route — consumers, middleware, shape mismatches, risk level |
|
||||
| `tool_map` | MCP/RPC tool definitions and the files that handle them |
|
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| `group_list` | List configured multi-repo groups, or one group's config |
|
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| `group_sync` | Rebuild a group's Contract Registry (cross-repo HTTP contract links); run after `group.yaml` changes or member re-index |
|
||||
| `list_repos` | Discover indexed repos (paginated — `limit`/`offset`) |
|
||||
|
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### Paginating `list_repos`
|
||||
|
||||
`list_repos` is paginated so a large registry is not truncated by MCP/LLM token limits. It takes optional `limit` (default **50**, max **200**) and `offset`, and returns:
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||||
|
||||
```jsonc
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||||
{
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||||
"repositories": [
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{ "name": "...", "path": "...", "indexedAt": "...", "lastCommit": "...", "stats": { } }
|
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],
|
||||
"pagination": {
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"total": 437,
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"limit": 50,
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"offset": 0,
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"returned": 50,
|
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"hasMore": true,
|
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"nextOffset": 50
|
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}
|
||||
}
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||||
```
|
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|
||||
To enumerate **every** repository, keep calling with `offset` set to `pagination.nextOffset` until `hasMore` is `false`:
|
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|
||||
```text
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list_repos {} → repos 1–50, nextOffset 50, hasMore true
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list_repos { offset: 50 } → repos 51–100, nextOffset 100, hasMore true
|
||||
…
|
||||
list_repos { offset: 400 } → repos 401–437, hasMore false (done)
|
||||
```
|
||||
|
||||
Notes: `offset` ≥ `total` returns an empty page (with `total` still reported). Out-of-range or malformed `limit`/`offset` (non-integer, `limit` outside `[1, 200]`, `offset < 0`) are rejected with a clear error — `limit` above the max is rejected, not silently capped. The order is deterministic (lower-cased name, then path), so paging never skips or duplicates an entry while the registry is unchanged.
|
||||
|
||||
### Taint findings (`explain`)
|
||||
|
||||
`explain` returns taint findings recorded by `gitnexus analyze --pdg` — intra-procedural `TAINTED` edges plus cross-function `TAINT_PATH` hops where the interprocedural taint phase found a function-level source→sink chain. Each finding includes a sink category (command-injection, code-injection, path-traversal, sql-injection, xss), source/sink lines, and the ordered hop path with the variable carried on each hop.
|
||||
|
||||
- `explain {}` — enumerate all findings for the repo (bounded by `limit`, deterministic order)
|
||||
- `explain { target: "src/vuln.ts" }` — findings in a file (suffix path match accepted)
|
||||
- `explain { target: "runUserCommand" }` — findings in a function (resolved like `context`; ambiguous names return ranked candidates)
|
||||
|
||||
A repo indexed without `--pdg` returns a clear "no taint layer" note. Caveats: closure/callback, property/field, and implicit flows are not modeled, and interprocedural findings are function-level `TAINT_PATH` hops rather than statement-level path proof, so the absence of a finding is **not** proof of safety. `SANITIZES` (sanitizer-kill) edges are queryable via `cypher`.
|
||||
|
||||
### Control & data dependence (`pdg_query`)
|
||||
|
||||
`pdg_query` reads the control/data-dependence layers `gitnexus analyze --pdg` records (CDG + REACHING_DEF, basic-block granular) — the control/data analog of `explain`. It is **always anchored** (a `target` file path or symbol, resolved like `context`) and has two modes:
|
||||
|
||||
- `pdg_query { mode: "controls", target: "..." }` — CDG: "under what condition does X run?". Each edge is a controlling predicate block → dependent block with the branch sense (`'T'`/`'F'`) in `reason`; an edge into an early `return`/`throw` is flagged `guard: true` (guard-clause discovery — the sense depends on the predicate, so don't filter guards by a fixed label).
|
||||
- `pdg_query { mode: "flows", target: "...", variable?: "..." }` — REACHING_DEF def→use edges within the function; pass `variable` to trace one binding.
|
||||
|
||||
A repo indexed without `--pdg` returns a "no PDG layer" note (or "status unknown" when the layer can't be confirmed). Intra-procedural only — cross-function flow is taint's domain (`explain`). The raw CDG/REACHING_DEF edges are also queryable via `cypher`. See the `gitnexus-pdg-query` skill for the full query surface.
|
||||
|
||||
### Shortest path between two symbols (`trace`)
|
||||
|
||||
`trace` answers "how does A reach B?" in one call — the shortest directed path over `CALLS` (plus `HAS_METHOD`, so a class-rooted trace descends into its methods) instead of chaining 3–8 `context`/`impact` hops by hand.
|
||||
|
||||
- `trace { from: "validateUser", to: "executeQuery" }` — shortest path between two symbols.
|
||||
- Disambiguate common names with `from_uid`/`to_uid` (zero-ambiguity) or `from_file`/`to_file`; an ambiguous name returns ranked candidates.
|
||||
- `maxDepth` (default 10, max 30) bounds the search; `includeTests` (default false) lets the traversal pass through test-file symbols.
|
||||
|
||||
Returns ordered `hops` (each `{ name, filePath, startLine }`) and an aligned `edges[]` of `{ relType, confidence }`, so call hops and containment (`HAS_METHOD`) hops stay distinguishable. When no path exists it reports the **furthest** reachable node (where the chain breaks) and sets `truncated: true` if a traversal cap was hit first. Every result carries a `status`: `ok` / `no_path` / `ambiguous` / `not_found` / `error`.
|
||||
|
||||
Cross-repo (experimental): pass `repo: "@groupName"` to trace across a group's member repos — the path may cross **one** `ContractLink` boundary (reported as a `CONTRACT_LINK` hop with the bridged contract in `crossings[]`). Omit `to` entirely to follow `from`'s outgoing HTTP call to whatever provider endpoint it lands on. Groups are configured via `group_list` / `group_sync`.
|
||||
|
||||
## Resources Reference
|
||||
|
||||
Lightweight reads (~100-500 tokens) for navigation:
|
||||
|
||||
| Resource | Content |
|
||||
| ---------------------------------------------- | ----------------------------------------- |
|
||||
| `gitnexus://repo/{name}/context` | Stats, staleness check |
|
||||
| `gitnexus://repo/{name}/clusters` | All functional areas with cohesion scores |
|
||||
| `gitnexus://repo/{name}/cluster/{clusterName}` | Area members |
|
||||
| `gitnexus://repo/{name}/processes` | All execution flows |
|
||||
| `gitnexus://repo/{name}/process/{processName}` | Step-by-step trace |
|
||||
| `gitnexus://repo/{name}/schema` | Graph schema for Cypher |
|
||||
|
||||
## Graph Schema
|
||||
|
||||
**Nodes:** File, Folder, Function, Class, Interface, Method, CodeElement, Community, Process, Route, Tool, plus language-specific types (Struct, Enum, Trait, Impl, Namespace, Module, …) and BasicBlock (`--pdg` indexes only). The full node list lives in `gitnexus://repo/{name}/schema`.
|
||||
**Edges (via CodeRelation.type):** CALLS, IMPORTS, EXTENDS, IMPLEMENTS, DEFINES, CONTAINS, MEMBER_OF, HAS_METHOD, HAS_PROPERTY, ACCESSES, METHOD_OVERRIDES, METHOD_IMPLEMENTS, STEP_IN_PROCESS, HANDLES_ROUTE, FETCHES, HANDLES_TOOL, ENTRY_POINT_OF, WRAPS, QUERIES, INJECTS, plus `--pdg`-only types (CFG, REACHING_DEF, TAINTED, SANITIZES, TAINT_PATH, CDG — zero rows on a default index).
|
||||
|
||||
Read `gitnexus://repo/{name}/schema` before writing Cypher — it is the authoritative schema for the indexed repo.
|
||||
|
||||
```cypher
|
||||
MATCH (caller)-[:CodeRelation {type: 'CALLS'}]->(f:Function {name: "myFunc"})
|
||||
RETURN caller.name, caller.filePath
|
||||
```
|
||||
@@ -0,0 +1,97 @@
|
||||
---
|
||||
name: gitnexus-impact-analysis
|
||||
description: "Use when the user wants to know what will break if they change something, or needs safety analysis before editing code. Examples: \"Is it safe to change X?\", \"What depends on this?\", \"What will break?\""
|
||||
---
|
||||
|
||||
# Impact Analysis with GitNexus
|
||||
|
||||
## When to Use
|
||||
|
||||
- "Is it safe to change this function?"
|
||||
- "What will break if I modify X?"
|
||||
- "Show me the blast radius"
|
||||
- "Who uses this code?"
|
||||
- Before making non-trivial code changes
|
||||
- Before committing — to understand what your changes affect
|
||||
|
||||
## Workflow
|
||||
|
||||
```
|
||||
1. impact({target: "X", direction: "upstream"}) → What depends on this
|
||||
2. READ gitnexus://repo/{name}/processes → Check affected execution flows
|
||||
3. detect_changes() → Map current git changes to affected flows
|
||||
4. Assess risk and report to user
|
||||
```
|
||||
|
||||
> If "Index is stale" → run `node .gitnexus/run.cjs analyze` in terminal.
|
||||
|
||||
## Checklist
|
||||
|
||||
```
|
||||
- [ ] impact({target, direction: "upstream"}) to find dependents
|
||||
- [ ] Review d=1 items first (these WILL BREAK)
|
||||
- [ ] Check high-confidence (>0.8) dependencies
|
||||
- [ ] READ processes to check affected execution flows
|
||||
- [ ] detect_changes() for pre-commit check
|
||||
- [ ] Assess risk level and report to user
|
||||
```
|
||||
|
||||
## Understanding Output
|
||||
|
||||
| Depth | Risk Level | Meaning |
|
||||
| ----- | ---------------- | ------------------------ |
|
||||
| d=1 | **WILL BREAK** | Direct callers/importers |
|
||||
| d=2 | LIKELY AFFECTED | Indirect dependencies |
|
||||
| d=3 | MAY NEED TESTING | Transitive effects |
|
||||
|
||||
## Risk Assessment
|
||||
|
||||
| Affected | Risk |
|
||||
| ------------------------------ | -------- |
|
||||
| <5 symbols, few processes | LOW |
|
||||
| 5-15 symbols, 2-5 processes | MEDIUM |
|
||||
| >15 symbols or many processes | HIGH |
|
||||
| Critical path (auth, payments) | CRITICAL |
|
||||
|
||||
## Tools
|
||||
|
||||
**impact** — the primary tool for symbol blast radius:
|
||||
|
||||
```
|
||||
impact({
|
||||
target: "validateUser",
|
||||
direction: "upstream",
|
||||
minConfidence: 0.8,
|
||||
maxDepth: 3
|
||||
})
|
||||
|
||||
→ d=1 (WILL BREAK):
|
||||
- loginHandler (src/auth/login.ts:42) [CALLS, 100%]
|
||||
- apiMiddleware (src/api/middleware.ts:15) [CALLS, 100%]
|
||||
|
||||
→ d=2 (LIKELY AFFECTED):
|
||||
- authRouter (src/routes/auth.ts:22) [CALLS, 95%]
|
||||
```
|
||||
|
||||
**detect_changes** — git-diff based impact analysis:
|
||||
|
||||
```
|
||||
detect_changes({scope: "staged"})
|
||||
|
||||
→ Changed: 5 symbols in 3 files
|
||||
→ Affected: LoginFlow, TokenRefresh, APIMiddlewarePipeline
|
||||
→ Risk: MEDIUM
|
||||
```
|
||||
|
||||
## Example: "What breaks if I change validateUser?"
|
||||
|
||||
```
|
||||
1. impact({target: "validateUser", direction: "upstream"})
|
||||
→ d=1: loginHandler, apiMiddleware (WILL BREAK)
|
||||
→ d=2: authRouter, sessionManager (LIKELY AFFECTED)
|
||||
|
||||
2. READ gitnexus://repo/my-app/processes
|
||||
→ LoginFlow and TokenRefresh touch validateUser
|
||||
|
||||
3. Risk: 2 direct callers, 2 processes = MEDIUM
|
||||
```
|
||||
@@ -0,0 +1,121 @@
|
||||
---
|
||||
name: gitnexus-refactoring
|
||||
description: "Use when the user wants to rename, extract, split, move, or restructure code safely. Examples: \"Rename this function\", \"Extract this into a module\", \"Refactor this class\", \"Move this to a separate file\""
|
||||
---
|
||||
|
||||
# Refactoring with GitNexus
|
||||
|
||||
## When to Use
|
||||
|
||||
- "Rename this function safely"
|
||||
- "Extract this into a module"
|
||||
- "Split this service"
|
||||
- "Move this to a new file"
|
||||
- Any task involving renaming, extracting, splitting, or restructuring code
|
||||
|
||||
## Workflow
|
||||
|
||||
```
|
||||
1. impact({target: "X", direction: "upstream"}) → Map all dependents
|
||||
2. query({search_query: "X"}) → Find execution flows involving X
|
||||
3. context({name: "X"}) → See all incoming/outgoing refs
|
||||
4. Plan update order: interfaces → implementations → callers → tests
|
||||
```
|
||||
|
||||
> If "Index is stale" → run `node .gitnexus/run.cjs analyze` in terminal.
|
||||
|
||||
## Checklists
|
||||
|
||||
### Rename Symbol
|
||||
|
||||
```
|
||||
- [ ] rename({symbol_name: "oldName", new_name: "newName", dry_run: true}) — preview all edits
|
||||
- [ ] Review graph edits (high confidence) and text_search edits (review carefully)
|
||||
- [ ] If satisfied: rename({..., dry_run: false}) — apply edits
|
||||
- [ ] detect_changes() — verify only expected files changed
|
||||
- [ ] Run tests for affected processes
|
||||
```
|
||||
|
||||
### Extract Module
|
||||
|
||||
```
|
||||
- [ ] context({name: target}) — see all incoming/outgoing refs
|
||||
- [ ] impact({target, direction: "upstream"}) — find all external callers
|
||||
- [ ] Define new module interface
|
||||
- [ ] Extract code, update imports
|
||||
- [ ] detect_changes() — verify affected scope
|
||||
- [ ] Run tests for affected processes
|
||||
```
|
||||
|
||||
### Split Function/Service
|
||||
|
||||
```
|
||||
- [ ] context({name: target}) — understand all callees
|
||||
- [ ] Group callees by responsibility
|
||||
- [ ] impact({target, direction: "upstream"}) — map callers to update
|
||||
- [ ] Create new functions/services
|
||||
- [ ] Update callers
|
||||
- [ ] detect_changes() — verify affected scope
|
||||
- [ ] Run tests for affected processes
|
||||
```
|
||||
|
||||
## Tools
|
||||
|
||||
**rename** — automated multi-file rename:
|
||||
|
||||
```
|
||||
rename({symbol_name: "validateUser", new_name: "authenticateUser", dry_run: true})
|
||||
→ 12 edits across 8 files
|
||||
→ 10 graph edits (high confidence), 2 text_search edits (review)
|
||||
→ Changes: [{file_path, edits: [{line, old_text, new_text, confidence}]}]
|
||||
```
|
||||
|
||||
**impact** — map all dependents first:
|
||||
|
||||
```
|
||||
impact({target: "validateUser", direction: "upstream"})
|
||||
→ d=1: loginHandler, apiMiddleware, testUtils
|
||||
→ Affected Processes: LoginFlow, TokenRefresh
|
||||
```
|
||||
|
||||
**detect_changes** — verify your changes after refactoring:
|
||||
|
||||
```
|
||||
detect_changes({scope: "all"})
|
||||
→ Changed: 8 files, 12 symbols
|
||||
→ Affected processes: LoginFlow, TokenRefresh
|
||||
→ Risk: MEDIUM
|
||||
```
|
||||
|
||||
**cypher** — custom reference queries:
|
||||
|
||||
```cypher
|
||||
MATCH (caller)-[:CodeRelation {type: 'CALLS'}]->(f:Function {name: "validateUser"})
|
||||
RETURN caller.name, caller.filePath ORDER BY caller.filePath
|
||||
```
|
||||
|
||||
## Risk Rules
|
||||
|
||||
| Risk Factor | Mitigation |
|
||||
| ------------------- | ----------------------------------------- |
|
||||
| Many callers (>5) | Use rename for automated updates |
|
||||
| Cross-area refs | Use detect_changes after to verify scope |
|
||||
| String/dynamic refs | query to find them |
|
||||
| External/public API | Version and deprecate properly |
|
||||
|
||||
## Example: Rename `validateUser` to `authenticateUser`
|
||||
|
||||
```
|
||||
1. rename({symbol_name: "validateUser", new_name: "authenticateUser", dry_run: true})
|
||||
→ 12 edits: 10 graph (safe), 2 text_search (review)
|
||||
→ Files: validator.ts, login.ts, middleware.ts, config.json...
|
||||
|
||||
2. Review text_search edits (config.json: dynamic reference!)
|
||||
|
||||
3. rename({symbol_name: "validateUser", new_name: "authenticateUser", dry_run: false})
|
||||
→ Applied 12 edits across 8 files
|
||||
|
||||
4. detect_changes({scope: "all"})
|
||||
→ Affected: LoginFlow, TokenRefresh
|
||||
→ Risk: MEDIUM — run tests for these flows
|
||||
```
|
||||
Reference in New Issue
Block a user