AI Biz Asst

\n \n \n \n \n

\n \n `;\n}\n\n// --- Main Request Handler (Concise) ---\nexport default async function(req: Request): Promise {\n const reqId = `r-${Date.now()}-${Math.random().toString(36).slice(2, 7)}`;\n const reqLgr = new LogAgent(reqId);\n const log = reqLgr.log.bind(reqLgr);\n const url = new URL(req.url);\n const headers = {\n \"Content-Type\": \"application/json\",\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"GET, POST, OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type, Authorization\",\n };\n\n if (req.method === \"OPTIONS\") {\n log(\"IN\", \"H\", \"OPT\");\n return new Response(null, { status: 204, headers });\n }\n\n try {\n if (req.method === \"GET\" && (url.pathname === \"/\" || url.pathname === \"\")) {\n log(\"IN\", \"H\", \"GET /\");\n const html = generateOrthogonalUI();\n return new Response(html, { status: 200, headers: { ...headers, \"Content-Type\": \"text/html; charset=utf-8\" } });\n }\n\n if (req.method === \"POST\" && url.pathname === \"/questionnaire\") {\n log(\"IN\", \"H\", \"POST /q\");\n let b;\n let rawB = \"[No body]\";\n try {\n rawB = await req.text();\n b = JSON.parse(rawB);\n if (\n !b?.task || typeof b.task !== \"string\" || !b.action\n || ![\"start\", \"answer\", \"back\", \"restart\"].includes(b.action) || (b.action === \"answer\" && !b.lastAnswer)\n ) throw new Error(\"Bad req.\");\n } catch (e: any) {\n log(\"WN\", \"H\", \"Bad /q body\", { e: e.message, b: rawB.slice(0, 300) });\n return new Response(JSON.stringify({ err: `Bad Req: ${e.message}`, st: null, dbgL: reqLgr.getLogs() }), {\n status: 400,\n headers,\n });\n }\n\n const qA = new QAgent(log);\n let qRes: QResp;\n try {\n log(\"DB\", \"H\", `Proc: ${b.action}`, { t: b.task, s: b.sessionId, hasS: !!b.state, hasA: !!b.lastAnswer });\n switch (b.action) {\n case \"start\":\n qRes = await qA.nextStep(b.sessionId, b.task, b.lastAnswer, null);\n break;\n case \"answer\":\n qRes = await qA.nextStep(b.sessionId, b.task, b.lastAnswer, b.state);\n break;\n case \"back\":\n qRes = !b.state\n ? { sid: b.sessionId || `e-${Date.now()}`, isDone: false, err: \"No state to go back.\", state: null }\n : await qA.goBack(b.sessionId, b.task, b.state);\n break;\n case \"restart\":\n qRes = await qA.restart(b.sessionId, b.task);\n break;\n default: // Should not be reached due to initial validation\n qRes = {\n sid: b.sessionId || `e-${Date.now()}`,\n isDone: false,\n err: \"Invalid action.\",\n state: b.state || null,\n };\n }\n const respSt = qRes.state ? { ...qRes.state } : null;\n log(\"DB\", \"H\", \"Q step proc.\", {\n sid: qRes.sid,\n done: qRes.isDone,\n hasE: !!qRes.err,\n nextF: qRes.nextQ?.field,\n });\n return new Response(JSON.stringify({ ...qRes, state: respSt }), { status: qRes.err ? 400 : 200, headers });\n } catch (e: any) {\n log(\"ER\", \"H\", `QAgent proc err: ${b.action}.`, { e: e.message, s: e.stack?.slice(0, 300) });\n return new Response(\n JSON.stringify({ err: `Internal Q err: ${e.message}`, st: null, dbgL: reqLgr.getLogs(), mid: reqId }),\n { status: 500, headers },\n );\n }\n }\n\n if (req.method === \"POST\" && url.pathname === \"/execute\") {\n log(\"IN\", \"H\", \"POST /exec\");\n let vInput: UserIn;\n let rawP = \"[No payload]\";\n try {\n const p = await req.json();\n rawP = JSON.stringify(p).slice(0, 300);\n log(\"DB\", \"H\", \"Payload /exec\", { p: rawP });\n vInput = UserInSchema.parse(p);\n log(\"IN\", \"H\", \"Payload valid OK /exec.\", { t: vInput.task });\n } catch (e: any) {\n let d = \"Bad input.\";\n if (e instanceof z.ZodError) d = e.issues.map(i => `${i.path.join(\".\")}: ${i.message}`).join(\"; \"); else d =\n e.message;\n log(\"WN\", \"H\", \"Valid fail /exec.\", { e: d, p: rawP });\n return new Response(\n JSON.stringify({ err: \"Bad input data.\", details: d, dbgL: reqLgr.getLogs(), mid: `m-v-${reqId}` }),\n { status: 400, headers },\n );\n }\n const execLgr = new LogAgent();\n const orch = new Orchestrator(execLgr);\n const finalRes: FinalRes = await orch.runWorkflow(vInput);\n finalRes.dbgLog = execLgr.getLogs();\n const respS = finalRes.err ? (finalRes.err.startsWith(\"AI output was unparseable\") ? 422 : 500) : 200; // 422 for unprocessable AI entity\n log(\"IN\", \"H\", `/exec wf end status ${respS}`, { mid: finalRes.mid, hasE: !!finalRes.err });\n return new Response(JSON.stringify(finalRes), { status: respS, headers });\n }\n\n log(\"WN\", \"H\", `Unsup req: ${req.method} ${url.pathname}`);\n const errL = reqLgr.getLogs();\n return new Response(JSON.stringify({ err: \"Not Found\", dbgL: errL, mid: reqId }), { status: 404, headers });\n } catch (err: any) {\n log(\"ER\", \"H\", \"Unhandled exc.\", { e: err.message, s: err.stack?.slice(0, 300) });\n const crashL = reqLgr.getLogs();\n return new Response(\n JSON.stringify({\n err: \"Internal Error\",\n details: \"Unexpected server error.\",\n dbgL: crashL,\n mid: `m-c-${reqId}`,\n st: null, // Ensure 'st' (state) is defined as null for error consistency if frontend expects it\n }),\n { status: 500, headers },\n );\n 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Code