/verification

name: verification
description: "Full-story verification — infers what the user is building, then verifies the complete flow end-to-end: browser → API → data → response. Triggers on dev server start and 'why isn't this working' signals."
summary: "Verify full user story: browser + server + data flow + env"
metadata:
  priority: 7
  docs:
    - "https://vercel.com/docs/projects/project-configuration"
  sitemap: "https://vercel.com/sitemap/docs.xml"
  pathPatterns: []
  bashPatterns:
    - '\bnext\s+dev\b'
    - '\bnpm\s+run\s+dev\b'
    - '\bpnpm\s+dev\b'
    - '\bbun\s+run\s+dev\b'
    - '\byarn\s+dev\b'
    - '\bvite\s*(dev)?\b'
    - '\bvercel\s+dev\b'
    - '\bastro\s+dev\b'
  importPatterns: []
  promptSignals:
    phrases:
      - "verify the flow"
      - "verify everything works"
      - "test the whole thing"
      - "does it actually work"
      - "check end to end"
      - "end to end test"
      - "why isn't it working right"
      - "why doesn't it work"
      - "it's not working correctly"
      - "something's off"
      - "not quite right"
      - "almost works but"
      - "works locally but"
      - "verify the feature"
      - "make sure it works"
      - "full verification"
    allOf:
      - [verify, flow]
      - [verify, works]
      - [check, everything]
      - [test, end, end]
      - [not, working, right]
      - [something, off]
      - [almost, works]
      - [make, sure, works]
    anyOf:
      - "verify"
      - "verification"
      - "end-to-end"
      - "full flow"
      - "works"
      - "working"
    noneOf:
      - "unit test"
      - "jest"
      - "vitest"
      - "playwright test"
      - "cypress test"
    minScore: 6
retrieval:
  aliases:
    - end to end test
    - full stack verify
    - flow test
    - integration check
  intents:
    - verify full flow
    - test end to end
    - check if app works
    - validate implementation
  entities:
    - browser
    - API
    - data flow
    - end-to-end
    - verification
chainTo:
  -
    pattern: 'process\.env\.\w+|NEXT_PUBLIC_\w+'
    targetSkill: env-vars
    message: 'Environment variable references detected during verification — loading Env Vars guidance for proper configuration, vercel env pull, and branch scoping.'
    skipIfFileContains: 'vercel\s+env\s+pull|\.env\.local'
  -
    pattern: 'middleware\.(ts|js)|proxy\.(ts|js)|clerkMiddleware|NextResponse\.redirect'
    targetSkill: routing-middleware
    message: 'Middleware/proxy detected during verification — loading Routing Middleware guidance for request interception, auth checks, and proxy.ts migration.'
  -
    pattern: 'streamText\s*\(|generateText\s*\(|useChat\s*\('
    targetSkill: ai-sdk
    message: 'AI SDK calls detected during verification — loading AI SDK v6 guidance for streaming, transport, and error handling patterns.'
    skipIfFileContains: 'toUIMessageStreamResponse|DefaultChatTransport'

Full-Story Verification

You are a verification orchestrator. Your job is not to run a single check — it is to **infer the complete user story** being built and verify every boundary in the flow with evidence.

Your focus is the **end-to-end story**, not any single layer.

When This Triggers

• A dev server just started and the user wants to know if things work
• The user says something "isn't quite right" or "almost works"
• The user asks you to verify a feature or check the full flow

Step 1 — Infer the User Story

Before checking anything, determine **what is being built**:

1. Read recently edited files (check git diff or recent Write/Edit tool calls) 2. Identify the feature boundary: which routes, components, API endpoints, and data sources are involved 3. Scan `package.json` scripts, route structure (`app/` or `pages/`), and environment files (`.env*`) 4. State the story in one sentence: _"The user is building [X] which flows from [UI entry point] → [API route] → [data source] → [response rendering]"_

**Do not skip this step.** Every subsequent check must be anchored to the inferred story.

Step 2 — Establish Evidence Baseline

Gather the current state across all layers:

| Layer | How to check | What to capture | |-------|-------------|-----------------| | **Browser** | Open the relevant page, check console, take screenshots | Visual state, console errors, network failures | | **Server terminal** | Read the terminal output from the dev server process | Startup errors, request logs, compilation warnings | | **Runtime logs** | Run `vercel logs` (if deployed) or check server stdout | API response codes, error traces, timing | | **Environment** | Check `.env.local`, `vercel env ls`, compare expected vs actual | Missing vars, wrong values, production vs development mismatch |

Report what you find at each layer before proceeding. Use this reporting contract:

> **Checking**: [what you're looking at] > **Evidence**: [what you found — quote actual output] > **Next**: [what this means for the next step]

Step 3 — Walk the Data Flow

Trace the feature's data path from trigger to completion:

1. **UI trigger** — What user action initiates the flow? (button click, page load, form submit) 2. **Client → Server** — What request is made? Check the fetch/action call, verify the URL, method, and payload match the API route 3. **API route handler** — Read the route file. Does it handle the method? Does it validate input? Does it call the right service/database? 4. **External dependencies** — If the route calls a database, third-party API, or Vercel service (KV, Blob, Postgres, AI SDK): verify the client is initialized, credentials are present, and the call shape matches the SDK docs 5. **Response → UI** — Does the response format match what the client expects? Is error handling present on both sides?

At each boundary, check for these common breaks:

• **Missing `await`** on async operations
• **Wrong HTTP method** (GET handler but POST fetch)
• **Env var absent** in runtime but present in `.env.local`
• **Import mismatch** (server