TownCar

Where can we take you? Describe your destination.

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\n\n \n \n \n `;\n}\n\n// --- BACKEND: The Hono API Server ---\nconst app = new Hono();\n\nasync function callOpenAI(c, messages, response_format = { type: \"text\" }) {\n const openai = new OpenAI();\n const completion = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: messages,\n response_format: response_format,\n });\n\n if (!completion || !completion.choices || completion.choices.length === 0) {\n console.error(\"Invalid response from OpenAI API:\", JSON.stringify(completion, null, 2));\n throw new Error(\"The AI service returned an invalid or empty response.\");\n }\n\n return completion.choices[0].message.content;\n}\n\napp.post(\"/api/plan-workflow\", async (c) => {\n const { goal } = await c.req.json();\n try {\n const messages = [{ role: \"system\", content: META_PROMPTS.ROUTE_PLANNER.replace(\"{{goal}}\", goal) }];\n const planJson = await callOpenAI(c, messages, { type: \"json_object\" });\n return c.json(JSON.parse(planJson));\n } catch (e) {\n console.warn(\"Initial route planning failed. Retrying...\", e);\n try {\n const retryMessages = [{\n role: \"system\",\n content: META_PROMPTS.ROUTE_PLANNER_RETRY.replace(\"{{goal}}\", goal),\n }];\n const retryPlanJson = await callOpenAI(c, retryMessages, { type: \"json_object\" });\n return c.json(JSON.parse(retryPlanJson));\n } catch (retryError) {\n console.error(\"Route planning retry failed:\", retryError);\n return c.json(\n { details: \"The AI failed to create a valid workflow plan. Please try rephrasing your goal.\" },\n 500,\n );\n }\n }\n});\n\napp.post(\"/api/generate-step-ui\", async (c) => {\n try {\n const { task, context } = await c.req.json();\n const contextString = JSON.stringify(context, null, 2);\n\n const architectMessages = [{\n role: \"system\",\n content: META_PROMPTS.STOP_ARCHITECT.replace(\"{{task}}\", task).replace(\"{{context}}\", contextString),\n }];\n const specJson = await callOpenAI(c, architectMessages, { type: \"json_object\" });\n const spec = JSON.parse(specJson);\n\n let uiJson = \"{\\\"inputs\\\":[]}\";\n if (spec.inputs && spec.inputs.length > 0) {\n const uiBuilderMessages = [{ role: \"system\", content: META_PROMPTS.UI_BUILDER.replace(\"{{spec}}\", specJson) }];\n uiJson = await callOpenAI(c, uiBuilderMessages, { type: \"json_object\" });\n }\n\n return c.json({ taskSpecification: spec, uiSchema: JSON.parse(uiJson) });\n } catch (e) {\n console.error(\"Step UI generation failed:\", e);\n return c.json({ details: `The AI failed to build the UI for the current step. Error: ${e.message}` }, 500);\n }\n});\n\napp.post(\"/api/execute-step\", async (c) => {\n const { readable, writable } = new TransformStream();\n const writer = writable.getWriter();\n const textEncoder = new TextEncoder();\n\n new Promise(async (resolve, reject) => {\n try {\n const { task, context, inputs } = await c.req.json();\n const contextString = JSON.stringify(context, null, 2);\n\n const specJson = await callOpenAI(c, [{\n role: \"system\",\n content: META_PROMPTS.STOP_ARCHITECT.replace(\"{{task}}\", task).replace(\"{{context}}\", contextString),\n }], { type: \"json_object\" });\n let executionPrompt = await callOpenAI(c, [{\n role: \"system\",\n content: META_PROMPTS.LOGIC_WEAVER.replace(\"{{spec}}\", specJson).replace(\"{{context}}\", contextString),\n }]);\n\n for (const [key, value] of Object.entries(inputs)) {\n executionPrompt = executionPrompt.replace(new RegExp(`\\\\{\\\\{\\\\s*${key}\\\\s*\\\\}\\\\}`, \"g\"), value);\n }\n\n const openai = new OpenAI();\n const aiStream = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: [{ role: \"user\", content: executionPrompt }],\n stream: true,\n });\n\n for await (const chunk of aiStream) {\n const content = chunk.choices[0]?.delta?.content || \"\";\n if (content) {\n await writer.write(textEncoder.encode(content));\n }\n }\n\n await writer.close();\n resolve();\n } catch (e) {\n console.error(\"Step execution stream failed:\", e);\n const errorPayload = { error: true, details: `The AI failed to execute this step. Details: ${e.message}` };\n try {\n await writer.write(textEncoder.encode(JSON.stringify(errorPayload)));\n } catch (writeError) {\n console.error(\"Failed to write error to stream:\", writeError);\n }\n await writer.close();\n reject(e);\n }\n });\n\n return new Response(readable, {\n headers: { \"Content-Type\": \"text/plain; charset=utf-8\" },\n });\n});\n\napp.get(\"/\", (c) => c.html(generateHtml(c.req.url)));\n\nexport default app.fetch;","deleted","label","towncar",[138],"pulls","branches","envVars",{"_160":22,"_162":22},"connections",{"_160":22,"_161":22},"count","unfilledCount","emptyCount",{"_27":137,"_13":138,"_139":68,"_140":-5,"_141":92,"_142":90,"_143":53,"_54":164,"_89":145,"_146":147,"_148":149,"_150":20,"_151":152,"_165":166,"_105":167},["D",1753268002976],"children",[],[138],["D",1753266566240],{"_11":12,"_37":103},{"_11":12,"_57":-5,"_58":103,"_42":67,"_59":60,"_61":20},{"_89":90,"_13":91,"_27":92,"_93":62,"_94":95,"_96":97,"_98":33,"_99":28,"_100":45,"_101":14,"_102":12},"ctx",{"_34":-5,"_127":205,"_206":207,"_208":209,"_210":20,"_211":20,"_212":20,"_213":53,"_214":-5,"_215":-7,"_216":-7,"_217":22,"_218":20,"_219":20,"_220":-5,"_221":20,"_222":20,"_223":20,"_224":-5},"ENV",{"_176":177,"_178":179,"_180":91,"_181":182,"_183":184,"_185":186,"_187":188,"_189":190,"_191":192,"_193":194,"_195":196,"_197":198,"_199":200,"_201":202,"_203":204},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","71c1b20804b3232a7e513be260cfffc1932a9e97","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"]

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