Blueprint Canvas

\n \n

\n \n\n\n\n`;\n}\n\n// --- HONO APPLICATION SETUP (MODIFIED FOR BLUEPRINT CANVAS) ---\nconst app = new Hono();\n\napp.get(\"/\", (c: Context) => c.html(generateHtml(c.req.url)));\n\n// New endpoint to provide the list of available nodes to the frontend.\napp.get(\"/api/nodes/palette\", (c: Context) => {\n return c.json(NODE_PALETTE);\n});\n\n// The new core execution engine for the Blueprint Canvas.\napp.post(\"/api/blueprint/execute\", async (c: Context) => {\n const { blueprint, company_context } = await c.req.json<\n BlueprintExecuteBody\n >();\n if (!blueprint || !company_context) {\n return c.json({ error: \"Blueprint and context are required\" }, 400);\n }\n\n // --- Topological Sort to process nodes in dependency order ---\n // This is the key to \"chaining\". We process nodes that have no inputs first.\n const sortedNodes: Node[] = [];\n const nodeMap = new Map(blueprint.nodes.map((node) => [node.id, node]));\n const inDegree = new Map(blueprint.nodes.map((node) => [node.id, 0]));\n const adjList = new Map(blueprint.nodes.map((node) => [node.id, []]));\n\n for (const conn of blueprint.connections) {\n adjList.get(conn.from)?.push(conn.to);\n inDegree.set(conn.to, (inDegree.get(conn.to) || 0) + 1);\n }\n\n const queue = blueprint.nodes.filter((node) => inDegree.get(node.id) === 0);\n\n while (queue.length > 0) {\n const nodeId = queue.shift()!.id;\n sortedNodes.push(nodeMap.get(nodeId)!);\n\n for (const neighborId of adjList.get(nodeId) || []) {\n inDegree.set(neighborId, inDegree.get(neighborId)! - 1);\n if (inDegree.get(neighborId) === 0) {\n queue.push(nodeMap.get(neighborId)!);\n }\n }\n }\n // --- End of Sort ---\n\n // Build the user content that will be sent to the AI compiler.\n // Each node's data becomes a step in the final prompt.\n const compilerSteps = sortedNodes.map((node, index) => {\n // In a real app, the output of a previous node could be injected as input to the next.\n return {\n step: index + 1,\n node_type: node.type,\n data: node.data,\n };\n });\n\n const systemPrompt = `# YOUR CONTEXT\n- Company: ${company_context.company_name} (${company_context.company_description})\n- Goal: ${company_context.use_case}\n- Language: ${company_context.language}\n---\n${BLUEPRINT_COMPILER_SYSTEM_PROMPT}`;\n\n const userPrompt =\n `Here is the project blueprint data, sorted in execution order. Please compile it into a project brief.\\n\\n${\n JSON.stringify(compilerSteps, null, 2)\n }`;\n\n try {\n const openai = new OpenAI();\n const stream = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: [\n { role: \"system\", content: systemPrompt },\n { role: \"user\", content: userPrompt },\n ],\n stream: true,\n });\n return streamText(c, async (s) => {\n for await (const part of stream) {\n await s.write(part.choices[0]?.delta?.content || \"\");\n }\n });\n } catch (e) {\n return c.body(`AI execution failed: ${e.message}`, 500);\n }\n});\n\n// Export the Hono app\nexport default app.fetch;","deleted","label",[108],"pulls","branches",1,"forks","envVars",{"_131":41,"_133":41},"connections",{"_131":41,"_132":41},"count","unfilledCount","emptyCount",{"_18":107,"_20":108,"_109":35,"_110":-5,"_111":67,"_112":65,"_113":37,"_22":135,"_64":115,"_116":117,"_118":119,"_120":26,"_121":-5,"_136":137,"_84":138},["D",1755550558060],"children",[],[108],["D",1755550481467],{"_16":17,"_82":78},{"_16":17,"_76":-5,"_77":78,"_32":33,"_79":80,"_81":26},{"_64":65,"_20":66,"_18":67,"_68":19,"_69":-5,"_70":-5,"_71":-5,"_72":-5,"_73":-5,"_74":21,"_75":17},"ctx",{"_57":-5,"_103":176,"_177":178,"_179":180,"_181":26,"_182":26,"_183":26,"_184":37,"_185":-5,"_186":-7,"_187":-7,"_188":41,"_189":26,"_190":26,"_191":-5,"_192":26,"_193":26,"_194":26,"_195":-5},"ENV",{"_147":148,"_149":150,"_151":66,"_152":153,"_154":155,"_156":157,"_158":159,"_160":161,"_162":163,"_164":165,"_166":167,"_168":169,"_170":171,"_172":173,"_174":175},"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"]

Compiled Project Brief

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