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\"\";\n\n// Val Town env vars use underscores; HTTP header is \"X-API-KEY\"\nconst GATEWAY_API_KEY = Deno.env.get(\"X_API_KEY\") ?? \"\";\n\n// ─── LLM Helper ──────────────────────────────────────────────────────────────\nasync function callLLM(systemPrompt: string, userPrompt: string): Promise {\n const res = await fetch(ANTHROPIC_URL, {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application/json\",\n \"x-api-key\": ANTHROPIC_API_KEY,\n \"anthropic-version\": \"2023-06-01\",\n },\n body: JSON.stringify({\n model: ANTHROPIC_MODEL,\n max_tokens: 4096,\n system: systemPrompt,\n messages: [{ role: \"user\", content: userPrompt }],\n }),\n });\n if (!res.ok) {\n const errText = await res.text();\n throw new Error(`LLM call failed (${res.status}): ${errText}`);\n }\n const data = await res.json();\n return data.content?.[0]?.text ?? \"\";\n}\n\n// ─── Auth Helper ─────────────────────────────────────────────────────────────\nfunction authenticateRequest(req: Request): boolean {\n if (!GATEWAY_API_KEY) return true; // If no key configured, allow all (dev mode)\n // Accept header as X-API-KEY (case-insensitive per HTTP spec)\n const provided = req.headers.get(\"X-API-KEY\") ?? \"\";\n return provided === GATEWAY_API_KEY;\n}\n\n// ─── State Definition ────────────────────────────────────────────────────────\nconst AgentState = Annotation.Root({\n mode: Annotation(),\n input: Annotation(),\n detectedMode: Annotation(),\n analysisResult: Annotation(),\n testCases: Annotation(),\n triageResult: Annotation(),\n strategyResult: Annotation(),\n finalOutput: Annotation(),\n});\n\n// ─── Node: Auto-Detect Mode ─────────────────────────────────────────────────\nasync function detectMode(state: typeof AgentState.State) {\n if (state.mode !== \"auto\") {\n return { detectedMode: state.mode };\n }\n\n const classification = await callLLM(\n `You are a classifier for mobile QA requests. Respond with exactly one word:\n- \"generate\" if the user wants test cases generated for a feature/screen\n- \"triage\" if the user is sharing a test failure, crash log, stack trace, or bug report\n- \"strategy\" if the user wants test strategy advice, test pyramid planning, or coverage analysis\nRespond with ONLY the single word.`,\n state.input,\n );\n\n const mode = classification.trim().toLowerCase();\n const valid = [\"generate\", \"triage\", \"strategy\"];\n return { detectedMode: valid.includes(mode) ? mode : \"generate\" };\n}\n\n// ─── Node: Analyze Input ─────────────────────────────────────────────────────\nasync function analyzeInput(state: typeof AgentState.State) {\n const result = await callLLM(\n `You are a senior mobile QA engineer. Analyze the user's input and extract:\n1. Platform context (iOS, Android, or both)\n2. App area / feature under test\n3. Key risk areas and edge cases to consider\n4. Any implicit requirements (accessibility, localization, offline, etc.)\nRespond in structured JSON with keys: platform, feature, risks, implicitRequirements`,\n state.input,\n );\n return { analysisResult: result };\n}\n\n// ─── Node: Generate Test Cases ───────────────────────────────────────────────\nasync function generateTestCases(state: typeof AgentState.State) {\n const result = await callLLM(\n `You are an expert mobile QA test engineer. Using the analysis context provided, generate comprehensive test cases.\n\nFor each test case provide:\n- id: TC-XXX\n- title: concise description\n- priority: P0 (critical) / P1 (high) / P2 (medium) / P3 (low)\n- type: functional | UI | performance | accessibility | security | edge-case\n- platforms: iOS | Android | both\n- preconditions: what must be true before executing\n- steps: numbered test steps\n- expected: expected result\n- automatable: yes/no with suggested framework (XCUITest, Espresso, Appium, Detox, Maestro)\n\nCover: happy path, negative cases, boundary values, interruptions (calls, notifications, backgrounding), network conditions, accessibility, and device rotation.\n\nRespond in JSON array format.`,\n `User request: ${state.input}\\n\\nAnalysis context: ${state.analysisResult}`,\n );\n return { testCases: result };\n}\n\n// ─── Node: Triage Failure ────────────────────────────────────────────────────\nasync function triageFailure(state: typeof AgentState.State) {\n const result = await callLLM(\n `You are a senior mobile QA engineer specializing in failure analysis. Analyze the provided test failure / crash log / bug report.\n\nProvide:\n1. failureClassification: UI regression | crash | network error | flaky test | data issue | platform-specific bug | race condition | memory leak\n2. severityAssessment: blocker / critical / major / minor\n3. rootCauseAnalysis: Most likely cause based on the symptoms\n4. platformImpact: iOS-only, Android-only, or cross-platform\n5. suggestedFix: Concrete steps the dev team should take\n6. regressionRisk: What other areas might be affected\n7. testImprovement: How to make the test more robust to prevent false positives\n8. automationNote: If relevant, suggest automation improvements (Appium, Espresso, XCUITest, etc.)\n\nRespond in structured JSON.`,\n `Failure input: ${state.input}\\n\\nAnalysis context: ${state.analysisResult}`,\n );\n return { triageResult: result };\n}\n\n// ─── Node: Strategy Advisor ──────────────────────────────────────────────────\nasync function adviseStrategy(state: typeof AgentState.State) {\n const result = await callLLM(\n `You are a mobile test strategy architect. Based on the app description provided, create a comprehensive mobile test strategy.\n\nInclude:\n1. testPyramid: Ratio of unit / integration / E2E tests with justification\n2. frameworkSelection: Recommended frameworks per layer (XCUITest, Espresso, Appium, Detox, Maestro, EarlGrey) with pros/cons for this specific app\n3. platformCoverageMatrix: What to test on each platform, device tiers, OS versions\n4. riskBasedPrioritization: Which features need most coverage and why\n5. cicdIntegration: How to structure the test pipeline (pre-merge, post-merge, nightly, release)\n6. deviceFarmRecommendation: BrowserStack, AWS Device Farm, Firebase Test Lab, Sauce Labs — which fits best\n7. metricsAndKPIs: What to track (flake rate, coverage %, pass rate, execution time)\n8. shiftLeftRecommendations: What can be caught earlier in the development cycle\n\nRespond in structured JSON.`,\n `App description: ${state.input}\\n\\nAnalysis context: ${state.analysisResult}`,\n );\n return { strategyResult: result };\n}\n\n// ─── Node: Assemble Final Output ─────────────────────────────────────────────\nasync function assembleFinal(state: typeof AgentState.State) {\n const mode = state.detectedMode;\n const modeLabel =\n mode === \"generate\" ? \"Test Case Generation\"\n : mode === \"triage\" ? \"Failure Triage\"\n : \"Test Strategy Advisory\";\n\n const primaryResult =\n mode === \"generate\" ? state.testCases\n : mode === \"triage\" ? state.triageResult\n : state.strategyResult;\n\n return {\n finalOutput: JSON.stringify({\n agent: \"Mobile QA Agent (LangGraph)\",\n mode: modeLabel,\n analysis: safeParseJSON(state.analysisResult),\n result: safeParseJSON(primaryResult),\n }, null, 2),\n };\n}\n\nfunction safeParseJSON(str: string): unknown {\n try {\n const cleaned = str.replace(/^```(?:json)?\\n?/gm, \"\").replace(/```$/gm, \"\").trim();\n return JSON.parse(cleaned);\n } catch {\n return str;\n }\n}\n\n// ─── Routing Function ────────────────────────────────────────────────────────\nfunction routeByMode(state: typeof AgentState.State): string {\n switch (state.detectedMode) {\n case \"triage\": return \"triageFailure\";\n case \"strategy\": return \"adviseStrategy\";\n default: return \"generateTestCases\";\n }\n}\n\n// ─── Build the Graph ─────────────────────────────────────────────────────────\nconst workflow = new StateGraph(AgentState)\n .addNode(\"detectMode\", detectMode)\n .addNode(\"analyzeInput\", analyzeInput)\n .addNode(\"generateTestCases\", generateTestCases)\n .addNode(\"triageFailure\", triageFailure)\n .addNode(\"adviseStrategy\", adviseStrategy)\n .addNode(\"assembleFinal\", assembleFinal)\n .addEdge(START, \"detectMode\")\n .addEdge(\"detectMode\", \"analyzeInput\")\n .addConditionalEdges(\"analyzeInput\", routeByMode, {\n generateTestCases: \"generateTestCases\",\n triageFailure: \"triageFailure\",\n adviseStrategy: \"adviseStrategy\",\n })\n .addEdge(\"generateTestCases\", \"assembleFinal\")\n .addEdge(\"triageFailure\", \"assembleFinal\")\n .addEdge(\"adviseStrategy\", \"assembleFinal\")\n .addEdge(\"assembleFinal\", END);\n\nconst app = workflow.compile();\n\n// ─── HTTP Handler ────────────────────────────────────────────────────────────\nexport default async function handler(req: Request): Promise {\n if (req.method === \"OPTIONS\") {\n return new Response(null, {\n headers: {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"GET, POST, OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type, X-API-KEY\",\n },\n });\n }\n\n const corsHeaders = {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Content-Type\": \"application/json\",\n };\n\n // GET → usage info (public, no auth required)\n if (req.method === \"GET\") {\n return new Response(JSON.stringify({\n name: \"Mobile QA Agent\",\n description: \"LangGraph-powered mobile QA test automation agent combining test case generation, failure triage, and test strategy advisory.\",\n version: \"1.3.0\",\n poweredBy: \"LangGraph StateGraph + Anthropic Claude\",\n authentication: {\n type: \"API Key\",\n header: \"X-API-KEY\",\n note: \"Required for POST requests. GET is public.\",\n },\n capabilities: [\"generate\", \"triage\", \"strategy\", \"auto\"],\n usage: {\n method: \"POST\",\n contentType: \"application/json\",\n headers: { \"X-API-KEY\": \"\" },\n body: {\n mode: \"auto | generate | triage | strategy (default: auto)\",\n input: \"Your feature description, failure log, or app description\",\n },\n examples: [\n {\n mode: \"generate\",\n input: \"Login screen with email/password and biometric authentication on iOS and Android\",\n },\n {\n mode: \"triage\",\n input: \"java.lang.NullPointerException at LoginActivity.onBiometricResult(LoginActivity.java:142) — test was passing yesterday, now fails on Android 14 Pixel 8\",\n },\n {\n mode: \"strategy\",\n input: \"E-commerce app with 50K DAU, checkout flow, product search, user profiles, push notifications. Currently zero automation.\",\n },\n {\n mode: \"auto\",\n input: \"Our login tests keep failing intermittently on Samsung devices after the latest Android update\",\n },\n ],\n },\n graph: {\n nodes: [\"detectMode\", \"analyzeInput\", \"generateTestCases\", \"triageFailure\", \"adviseStrategy\", \"assembleFinal\"],\n flow: \"START → detectMode → analyzeInput → [conditional: generate|triage|strategy] → assembleFinal → END\",\n },\n }, null, 2), { headers: corsHeaders });\n }\n\n // POST → run agent (requires X-API-KEY header)\n if (req.method === \"POST\") {\n if (!authenticateRequest(req)) {\n return new Response(JSON.stringify({\n error: \"Unauthorized\",\n message: \"Missing or invalid X-API-KEY header. This endpoint requires authentication.\",\n }), { status: 401, headers: corsHeaders });\n }\n\n const startTime = Date.now();\n try {\n const body = await req.json();\n const { mode = \"auto\", input } = body;\n\n if (!input || typeof input !== \"string\") {\n return new Response(JSON.stringify({ error: \"Missing required field: input (string)\" }), {\n status: 400, headers: corsHeaders,\n });\n }\n\n if (!ANTHROPIC_API_KEY) {\n return new Response(JSON.stringify({ error: \"ANTHROPIC_API_KEY environment variable not set\" }), {\n status: 500, headers: corsHeaders,\n });\n }\n\n const validModes = [\"auto\", \"generate\", \"triage\", \"strategy\"];\n if (!validModes.includes(mode)) {\n return new Response(JSON.stringify({ error: `Invalid mode. Use: ${validModes.join(\", \")}` }), {\n status: 400, headers: corsHeaders,\n });\n }\n\n const result = await app.invoke({\n mode,\n input,\n detectedMode: \"\",\n analysisResult: \"\",\n testCases: \"\",\n triageResult: \"\",\n strategyResult: \"\",\n finalOutput: \"\",\n });\n\n const elapsed = Date.now() - startTime;\n const parsed = safeParseJSON(result.finalOutput);\n const output = typeof parsed === \"object\" && parsed !== null\n ? { ...parsed as Record, meta: { executionTimeMs: elapsed, timestamp: new Date().toISOString() } }\n : parsed;\n\n return new Response(JSON.stringify(output, null, 2), { headers: corsHeaders });\n } catch (err) {\n const elapsed = Date.now() - startTime;\n const message = err instanceof Error ? err.message : \"Unknown error\";\n return new Response(JSON.stringify({ error: message, meta: { executionTimeMs: elapsed } }), {\n status: 500, headers: corsHeaders,\n });\n }\n }\n\n return new Response(JSON.stringify({ error: \"Method not allowed\" }), {\n status: 405, headers: corsHeaders,\n });\n}\n","label","mobile-qa",[131],"650ad1ce-200f-11f1-9f2f-42dde27851f2","src","650ad296-200f-11f1-9f2f-42dde27851f2",5,["D",1773538591691],[144],"pulls","branches",1,"forks","envVars",{"_157":159,"_160":59},"connections",{"_157":59,"_158":59},"count","unfilledCount",2,"emptyCount",{"_41":143,"_31":144,"_29":145,"_133":-5,"_39":40,"_38":146,"_135":123,"_36":172,"_13":59,"_33":34,"_35":-5,"_23":24,"_140":-5,"_165":173,"_26":174},{"_41":168,"_31":32,"_29":30,"_133":145,"_39":40,"_38":14,"_135":123,"_36":169,"_13":59,"_33":34,"_35":-5,"_23":24,"_140":-5,"_165":170,"_26":171},{"_41":130,"_31":131,"_29":132,"_133":-5,"_39":40,"_38":134,"_135":24,"_36":164,"_13":137,"_33":138,"_35":139,"_23":24,"_140":141,"_165":166,"_26":167},["D",1773538027478],"children",[],[131],"670c7aea-200f-11f1-8c77-42dde27851f2",["D",1773538595057],[],[144,32],["D",1773538591691],[162],[144],["D",1773535238405],["D",1789528852539],{"_96":95,"_104":100},{"_96":95,"_97":98,"_99":100,"_18":53,"_101":102,"_103":24},{"_13":85,"_31":86,"_41":40,"_87":42,"_88":-5,"_89":-5,"_90":-5,"_91":-5,"_92":-5,"_93":43,"_94":95},"ctx",{"_78":-5,"_125":213,"_214":215,"_216":217,"_218":24,"_219":24,"_220":24,"_221":123,"_222":-5,"_223":-7,"_224":-7,"_225":59,"_226":24,"_227":24,"_228":-5,"_229":24,"_230":24,"_231":24,"_232":-5},"ENV",{"_184":185,"_186":187,"_188":86,"_189":190,"_191":192,"_193":194,"_195":196,"_197":198,"_199":200,"_201":202,"_203":204,"_205":206,"_207":208,"_209":210,"_211":212},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","811aa22498c9b0b5a47e8d778de579cdb990f332","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Diff · v6