[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_235":236,"_237":238},"routes/_app.x.$handle.$name",{"_97":96,"_32":45,"_105":87,"_27":53,"_13":14,"_106":-5,"_11":107,"_108":109,"_110":111,"_112":113,"_114":115,"_20":-5,"_116":-5,"_117":-5,"_118":25,"_119":120,"_121":59,"_122":-5,"_123":-5,"_124":125},"routes/_app.x.$handle.$name.branch.$branch.version.$version.diff",{"_11":12,"_13":14,"_15":16,"_17":-5,"_18":-5},"project",{"_43":44,"_32":45,"_38":46,"_47":-5,"_48":25,"_49":50,"_51":50,"_52":53,"_54":-5,"_18":55,"_56":57,"_58":59,"_60":59,"_61":-5,"_62":63,"_64":65,"_66":-5,"_67":-5,"_68":-5,"_69":-5,"_70":71,"_72":71,"_73":74,"_75":74,"_76":74,"_77":71,"_78":71,"_79":80,"_81":82,"_83":84,"_85":25},"version",46,"changes",[19],"aiChatInfo","userId",{"_20":21,"_22":23,"_24":25,"_26":25,"_27":28,"_29":28},"file",{"_30":31,"_32":28,"_33":34,"_35":37,"_38":39,"_40":14,"_41":42,"_24":25},"previous",{"_30":31,"_32":28,"_33":34,"_35":36},"deleted",false,"deletedHere","path","photoEmailHandler.ts","latestPath","fileId","dbeda0e6-babb-11f0-a20d-0224a6c84d84","name","fileType","email","content","import { blob } from \"https://esm.town/v/std/blob\";\nimport { email } from \"https://esm.town/v/std/email\";\n\ninterface Email {\n from: string;\n to: string[];\n subject: string | undefined;\n text: string | undefined;\n html: string | undefined;\n attachments: File[];\n}\n\n// Map MIME types to file extensions\nconst MIME_TO_EXT: Record = {\n \"image/jpeg\": \".jpg\",\n \"image/jpg\": \".jpg\",\n \"image/png\": \".png\",\n \"image/gif\": \".gif\",\n \"image/webp\": \".webp\",\n \"image/svg+xml\": \".svg\",\n \"image/bmp\": \".bmp\",\n \"image/tiff\": \".tiff\",\n \"image/x-icon\": \".ico\",\n};\n\nexport default async function(incomingEmail: Email) {\n try {\n // Filter for image attachments\n const imageAttachments = incomingEmail.attachments.filter(\n file => file.type.startsWith(\"image/\")\n );\n\n // Validate exactly one image attachment\n if (imageAttachments.length === 0) {\n await email({\n subject: \"Error: No image attachment found\",\n text: `Your email did not contain any image attachments. Please send an email with exactly one image attached.`,\n html: `

Your email did not contain any image attachments.

Please send an email with exactly one image attached.

`,\n });\n return;\n }\n\n if (imageAttachments.length > 1) {\n await email({\n subject: \"Error: Multiple images attached\",\n text: `Your email contained ${imageAttachments.length} image attachments. Please send an email with exactly one image attached.`,\n html: `

Your email contained ${imageAttachments.length} image attachments.

Please send an email with exactly one image attached.

`,\n });\n return;\n }\n\n // Process the single image\n const imageFile = imageAttachments[0];\n const contentType = imageFile.type;\n const extension = MIME_TO_EXT[contentType] || \".jpg\";\n\n // Get image data as ArrayBuffer\n const imageData = await imageFile.arrayBuffer();\n\n // Get current photo history from consolidated blob\n const existingHistory = (await blob.getJSON(\"photoHistory\")) || [];\n const photoNumber = existingHistory.length + 1;\n const uploadTimestamp = new Date().toISOString();\n\n // Store image in blob storage (overwrites existing \"photo\")\n await blob.set(\"photo\", imageData);\n\n // Add new entry to history array\n const newEntry = {\n photoNumber,\n uploadedAt: uploadTimestamp,\n filename: imageFile.name,\n contentType,\n };\n existingHistory.push(newEntry);\n\n // Store updated consolidated history\n await blob.setJSON(\"photoHistory\", existingHistory);\n\n // Store metadata with photo number\n await blob.setJSON(\"photoMeta\", {\n contentType,\n extension,\n originalFilename: imageFile.name,\n uploadedAt: uploadTimestamp,\n photoNumber,\n });\n\n // Send confirmation email\n await email({\n subject: \"Photo successfully uploaded\",\n text: `Your photo has been successfully uploaded and is now available at your photo serving endpoint. This is photo #${photoNumber}.`,\n html: `

✓ Photo Successfully Uploaded

Your photo has been successfully uploaded and is now available.

Photo Number: ${photoNumber}
Filename: ${imageFile.name}
Type: ${contentType}
Extension: ${extension}
Uploaded: ${uploadTimestamp}

`,\n });\n\n } catch (error) {\n // Send error notification\n await email({\n subject: \"Error processing photo\",\n text: `An error occurred while processing your photo: ${error.message}`,\n html: `

Error Processing Photo

${error.message}

`,\n });\n\n // Re-throw to see in logs\n throw error;\n }\n}\n","import { blob } from \"https://esm.town/v/std/blob\";\nimport { email } from \"https://esm.town/v/std/email\";\n\ninterface Email {\n from: string;\n to: string[];\n subject: string | undefined;\n text: string | undefined;\n html: string | undefined;\n attachments: File[];\n}\n\n// Map MIME types to file extensions\nconst MIME_TO_EXT: Record = {\n \"image/jpeg\": \".jpg\",\n \"image/jpg\": \".jpg\",\n \"image/png\": \".png\",\n \"image/gif\": \".gif\",\n \"image/webp\": \".webp\",\n \"image/svg+xml\": \".svg\",\n \"image/bmp\": \".bmp\",\n \"image/tiff\": \".tiff\",\n \"image/x-icon\": \".ico\",\n};\n\nexport default async function(incomingEmail: Email) {\n try {\n // Filter for image attachments\n const imageAttachments = incomingEmail.attachments.filter(\n file => file.type.startsWith(\"image/\")\n );\n\n // Validate exactly one image attachment\n if (imageAttachments.length === 0) {\n await email({\n subject: \"Error: No image attachment found\",\n text: `Your email did not contain any image attachments. Please send an email with exactly one image attached.`,\n html: `

Your email did not contain any image attachments.

Please send an email with exactly one image attached.

Your email contained ${imageAttachments.length} image attachments.

Please send an email with exactly one image attached.

`,\n });\n return;\n }\n\n // Process the single image\n const imageFile = imageAttachments[0];\n const contentType = imageFile.type;\n const extension = MIME_TO_EXT[contentType] || \".jpg\";\n\n // Get image data as ArrayBuffer\n const imageData = await imageFile.arrayBuffer();\n\n // Get current photo history from consolidated blob\n const existingHistory = (await blob.getJSON(\"photoHistory\")) || [];\n const photoNumber = existingHistory.length + 1;\n const uploadTimestamp = new Date().toISOString();\n\n // Store image in blob storage (overwrites existing \"photo\")\n await blob.set(\"photo\", imageData);\n\n // Add new entry to history array\n const newEntry = {\n photoNumber,\n uploadedAt: uploadTimestamp,\n contentType,\n };\n existingHistory.push(newEntry);\n\n // Store updated consolidated history\n await blob.setJSON(\"photoHistory\", existingHistory);\n\n // Store metadata with photo number\n await blob.setJSON(\"photoMeta\", {\n contentType,\n extension,\n uploadedAt: uploadTimestamp,\n photoNumber,\n });\n\n // Send confirmation email\n await email({\n subject: \"Photo successfully uploaded\",\n text: `Your photo has been successfully uploaded and is now available at your photo serving endpoint. This is photo #${photoNumber}.`,\n html: `

✓ Photo Successfully Uploaded

Your photo has been successfully uploaded and is now available.

Photo Number: ${photoNumber}
Filename: ${imageFile.name}
Type: ${contentType}
Extension: ${extension}
Uploaded: ${uploadTimestamp}
Photo Number:${photoNumber}

`,\n });\n\n } catch (error) {\n // Send error notification\n await email({\n subject: \"Error processing photo\",\n text: `An error occurred while processing your photo: ${error.message}`,\n html: `

Error Processing Photo

${error.message}

`,\n });\n\n // Re-throw to see in logs\n throw error;\n }\n}\n","createdAt",["D",1762406226553],"branchVersion","branchId","ad17a002-bab9-11f0-a15b-0224a6c84d84","id","ad1736f8-bab9-11f0-a15b-0224a6c84d84","photo",["D",1762396708413],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","","imageUrl","019a1633-2013-759e-8afb-72b87d8e75e3","pinnedFileId","e5907e2a-babb-11f0-85f5-0224a6c84d84","pinPreview",true,"pinMigrated","screenshotVersion","likeCount",0,"orgId","019a1633-2013-759e-8afb-744404a5f5e3","tursoName","tursoHostname","tursoMeasuredAt","pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_97":96,"_104":100},"org",{"_97":96,"_98":-5,"_99":100,"_18":55,"_101":102,"_103":25},"branch",{"_13":86,"_32":87,"_43":42,"_88":44,"_89":-5,"_90":-5,"_91":-5,"_92":-5,"_93":-5,"_94":45,"_95":96},"isOwned",75,"main","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","figleaf","handle","displayName","avatar","https://imagedelivery.net/iHX6Ovru0O7AjmyT5yZRoA/f5d90c6c-8ea7-493d-4a3e-abb94ff90b00/square512?exp=1789581599&sig=a7bb49e373e705f2c1619721863e034f0bcb397d95fe43a5d305a6c4bb2258a3","tier","free","canRestrictVals","profileImageUrl","branchName","adoptOrgId",{"_43":44,"_32":45,"_38":231,"_47":-5,"_48":25,"_49":50,"_51":50,"_52":53,"_54":-5,"_18":55,"_56":57,"_58":59,"_60":59,"_61":-5,"_62":63,"_64":65,"_66":-5,"_67":-5,"_68":-5,"_69":-5,"_70":71,"_72":71,"_73":74,"_75":74,"_76":74,"_77":71,"_78":71,"_79":232,"_81":233,"_83":234,"_85":25},"tree",[193,195,196,197,198,199,200],"files",[193,194,195,196,197,198,199,200],"counts",{"_183":63,"_184":160,"_185":63,"_186":187,"_188":189},"contents",[126,127,128,129,130,131,132],"upstreamProject","upstreamBranch","emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},{"_43":176,"_32":177,"_30":178,"_135":-5,"_41":42,"_40":179,"_137":59,"_38":180,"_13":63,"_33":181,"_35":-5,"_24":25,"_142":-5,"_27":182},{"_43":170,"_32":171,"_30":172,"_135":-5,"_41":42,"_40":160,"_137":59,"_38":173,"_13":63,"_33":20,"_35":174,"_24":25,"_142":-5,"_27":175},{"_43":163,"_32":164,"_30":165,"_135":-5,"_41":42,"_40":166,"_137":59,"_38":167,"_13":63,"_33":20,"_35":168,"_24":25,"_142":-5,"_27":169},{"_43":155,"_32":156,"_30":157,"_135":-5,"_41":42,"_40":158,"_137":59,"_38":159,"_13":160,"_33":20,"_35":161,"_24":25,"_142":-5,"_27":162},{"_43":148,"_32":149,"_30":150,"_135":-5,"_41":42,"_40":151,"_137":59,"_38":152,"_13":63,"_33":20,"_35":153,"_24":25,"_142":-5,"_27":154},{"_43":144,"_32":28,"_30":31,"_135":-5,"_41":42,"_40":14,"_137":25,"_38":145,"_13":146,"_33":34,"_35":37,"_24":25,"_142":-5,"_27":147},{"_43":133,"_32":134,"_30":57,"_135":-5,"_41":42,"_40":136,"_137":25,"_38":138,"_13":139,"_33":140,"_35":141,"_24":25,"_142":-5,"_27":143},"2b430bfa-bacf-11f0-85fc-42dde27851f2","servePhoto.ts","parentId",45,"latest",["D",1762405939521],25,"http","import { blob } from \"https://esm.town/v/std/blob\";\n\n// Helper function to convert number to ordinal (1st, 2nd, 3rd, etc.)\nfunction getOrdinal(n: number): string {\n const s = [\"th\", \"st\", \"nd\", \"rd\"];\n const v = n % 100;\n return n + (s[(v - 20) % 10] || s[v] || s[0]);\n}\n\nexport default async function (req: Request): Promise {\n try {\n const url = new URL(req.url);\n const pathname = url.pathname;\n\n // Route 1: Serve HTML page\n if (pathname === \"/\") {\n // Get photo metadata to display counter\n const meta = await blob.getJSON(\"photoMeta\");\n const photoNumber = meta?.photoNumber || 1;\n const ordinal = getOrdinal(photoNumber);\n\n const html = `\n\n\n \n \n Photo\n \n\n\n

\n $\"Photo\"$ \n

This is the ${ordinal} photo.

\n\n`;\n\n return new Response(html, {\n headers: {\n \"Content-Type\": \"text/html\",\n \"Cache-Control\": \"public, max-age=300\",\n },\n });\n }\n\n // Route 2: Serve raw image\n if (pathname === \"/image\") {\n const photo = await blob.get(\"photo\");\n const meta = await blob.getJSON(\"photoMeta\");\n\n if (!photo) {\n return new Response(\n \"No photo available. Please upload a photo by emailing it to your Val Town email address.\",\n {\n status: 404,\n headers: {\n \"Content-Type\": \"text/plain\",\n },\n },\n );\n }\n\n return new Response(photo.body, {\n headers: {\n \"Content-Type\": meta?.contentType || \"image/jpeg\",\n \"Cache-Control\": \"public, max-age=300\",\n },\n });\n }\n\n // Route 3: 404 for everything else\n return new Response(\"Not found\", {\n status: 404,\n headers: {\n \"Content-Type\": \"text/plain\",\n },\n });\n } catch (error) {\n return new Response(`Error serving photo: ${error.message}`, {\n status: 500,\n headers: {\n \"Content-Type\": \"text/plain\",\n },\n });\n }\n}","label",[134],"d659211e-bacf-11f0-9586-42dde27851f2",["D",1762406226553],6,[28],"bb28cde2-bab9-11f0-b8ac-0224a6c84d84","deno.json","bb28d01c-bab9-11f0-b8ac-0224a6c84d84",2,["D",1762396731974],"{\n \"$schema\": \"https://raw.githubusercontent.com/denoland/deno/98f62cee78e85bfc47c62ed703777c6bc8794f1c/cli/schemas/config-file.v1.json\",\n \"lock\": false,\n \"compilerOptions\": {\n \"noImplicitAny\": false,\n \"strict\": true,\n \"types\": [\"https://www.val.town/types/valtown.d.ts\"],\n \"lib\": [\n \"dom\",\n \"dom.iterable\",\n \"dom.asynciterable\",\n \"deno.ns\",\n \"deno.unstable\"\n ]\n },\n \"lint\": {\n \"include\": [\"deno:/https/esm.town/**/*\"],\n \"rules\": {\n \"exclude\": [\"no-explicit-any\"]\n }\n },\n \"node_modules_dir\": false,\n \"experimental\": {\n \"unstable-node-globals\": true,\n \"unstable-temporal\": true,\n \"unstable-worker-options\": true,\n \"unstable-sloppy-imports\": true\n }\n}",[149],"e22370b8-bac9-11f0-ba3a-42dde27851f2","README.md","99ca292e-bac9-11f0-a19b-42dde27851f2",35,["D",1762403669347],1,"# Photo Display Service\n\nA simple Val Town project that displays a photo on a webpage, updatable via email.\n\n## Overview\n\nThis project consists of two Val Town handlers:\n\n1. **Email Handler** (`photoEmailHandler.ts`) - Receives photos via email and stores them\n2. **HTTP Handler** (`servePhoto.ts`) - Serves the current photo on a webpage\n\n## How It Works\n\n### Uploading Photos\n\nSend an email with **exactly one image attachment** to your Val Town email address. The handler will:\n\n- Validate the image attachment\n- Store the image in blob storage\n- Keep a history of all uploaded photos\n- Send you a confirmation email with upload details\n\n### Viewing Photos\n\nVisit your Val's HTTP endpoint to see:\n- The current photo displayed in a clean, centered layout\n- A small counter showing which photo number it is (e.g., \"This is the 3rd photo.\")\n\n## Features\n\n- **Email-based uploads** - No UI needed to update photos\n- **Upload history** - Tracks all photos with metadata (timestamp, sender, filename)\n- **Photo counter** - Displays which upload number the current photo is\n- **Multiple format support** - JPEG, PNG, GIF, WebP, SVG, BMP, TIFF, ICO\n- **Error handling** - Email notifications for upload errors\n- **Caching** - HTTP responses cached for 5 minutes for performance\n\n## Project Structure\n\n```\nphoto/\n├── photoEmailHandler.ts # Email trigger handler\n├── servePhoto.ts # HTTP endpoint handler\n├── deno.json # Deno configuration\n└── README.md # This file\n```\n\n## API Routes\n\n### `GET /`\nServes an HTML page displaying the current photo with a counter.\n\n### `GET /image`\nReturns the raw image file with appropriate `Content-Type` header.\n\n## Storage Schema\n\n### Blob Keys\n\n- **`photo`** - The current photo (binary data)\n- **`photoMeta`** - Metadata for the current photo\n ```typescript\n {\n contentType: string,\n extension: string,\n originalFilename: string,\n uploadedAt: string,\n photoNumber: number\n }\n ```\n- **`photoHistory_{n}`** - Historical record for each upload\n ```typescript\n {\n photoNumber: number,\n uploadedAt: string,\n filename: string,\n contentType: string\n }\n ```\n\n## Email Handler Behavior\n\n### Success Case\n- Attachment count: **1 image**\n- Response: Confirmation email with upload details\n\n### Error Cases\n- **No images**: Error email requesting an image attachment\n- **Multiple images**: Error email requesting exactly one image\n- **Processing error**: Error email with error details\n\n## Usage\n\n1. Deploy both vals to your Val Town account\n2. Configure `photoEmailHandler.ts` as an email trigger\n3. Configure `servePhoto.ts` as an HTTP trigger\n4. Email a photo to your Val Town email address\n5. Visit your HTTP endpoint to see the photo\n\n## Technical Details\n\n- **Runtime**: Deno on Val Town\n- **Storage**: Val Town Blob Storage\n- **Image formats**: Determined by MIME type\n- **Max photo size**: Limited by Val Town blob storage limits\n- **Cache duration**: 5 minutes (300 seconds)\n\n## Customization\n\n### Adjust Image Display\nEdit the CSS in `servePhoto.ts` to change:\n- Background color\n- Maximum image width (currently 9600px)\n- Counter styling and position\n\n### Modify Email Notifications\nEdit the email templates in `photoEmailHandler.ts` to customize:\n- Confirmation message content\n- Error message formatting\n- Email subjects\n\n## License\n\nMIT\n",[156],"bb2ef802-bab9-11f0-b69e-0224a6c84d84","AGENTS.md","bb2efa1e-bab9-11f0-b69e-0224a6c84d84",3,["D",1762396731970],"You are an advanced assistant specialized in generating Val Town code.\n\n## Core Guidelines\n\n- Ask clarifying questions when requirements are ambiguous\n- Provide complete, functional solutions rather than skeleton implementations\n- Test your logic against edge cases before presenting the final solution\n- Ensure all code follows Val Town's specific platform requirements\n- If a section of code that you're working on is getting too complex, consider refactoring it into subcomponents\n\n## Code Standards\n\n- Generate code in TypeScript or TSX\n- Add appropriate TypeScript types and interfaces for all data structures\n- Prefer official SDKs or libraries than writing API calls directly\n- Ask the user to supply API or library documentation if you are at all unsure about it\n- **Never bake in secrets into the code** - always use environment variables\n- Include comments explaining complex logic (avoid commenting obvious operations)\n- Follow modern ES6+ conventions and functional programming practices if possible\n\n## Types of triggers\n\n### 1. HTTP Trigger\n\n- Create web APIs and endpoints\n- Handle HTTP requests and responses\n- Example structure:\n\n```ts\nexport default async function (req: Request) {\n return new Response(\"Hello World\");\n}\n```\n\nFiles that are HTTP triggers have http in their name like `foobar.http.tsx`\n\n### 2. Cron Triggers\n\n- Run on a schedule\n- Use cron expressions for timing\n- Example structure:\n\n```ts\nexport default async function () {\n // Scheduled task code\n}\n```\n\nFiles that are Cron triggers have cron in their name like `foobar.cron.tsx`\n\n### 3. Email Triggers\n\n- Process incoming emails\n- Handle email-based workflows\n- Example structure:\n\n```ts\nexport default async function (email: Email) {\n // Process email\n}\n```\n\nFiles that are Email triggers have email in their name like `foobar.email.tsx`\n\n\n## Val Town Standard Libraries\n\nVal Town provides several hosted services and utility functions.\n\n### Blob Storage\n\n```ts\nimport { blob } from \"https://esm.town/v/std/blob\";\nawait blob.setJSON(\"myKey\", { hello: \"world\" });\nlet blobDemo = await blob.getJSON(\"myKey\");\nlet appKeys = await blob.list(\"app_\");\nawait blob.delete(\"myKey\");\n```\n\n### SQLite\n\n```ts\nimport { sqlite } from \"https://esm.town/v/stevekrouse/sqlite\";\nconst TABLE_NAME = 'todo_app_users_2';\n// Create table - do this before usage and change table name when modifying schema\nawait sqlite.execute(`CREATE TABLE IF NOT EXISTS ${TABLE_NAME} (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n name TEXT NOT NULL\n)`);\n// Query data\nconst result = await sqlite.execute(`SELECT * FROM ${TABLE_NAME} WHERE id = ?`, [1]);\n```\n\nNote: When changing a SQLite table's schema, change the table's name (e.g., add _2 or _3) to create a fresh table.\n\n### OpenAI\n\n```ts\nimport { OpenAI } from \"https://esm.town/v/std/openai\";\nconst openai = new OpenAI();\nconst completion = await openai.chat.completions.create({\n messages: [\n { role: \"user\", content: \"Say hello in a creative way\" },\n ],\n model: \"gpt-4o-mini\",\n max_tokens: 30,\n});\n```\n\n### Email\n\n```ts\nimport { email } from \"https://esm.town/v/std/email\";\n// By default emails the owner of the val\nawait email({ \n subject: \"Hi\", \n text: \"Hi\", \n html: \"

Hi

\"\n});\n```\n\n## Val Town Utility Functions\n\nVal Town provides several utility functions to help with common project tasks.\n\n### Importing Utilities\n\nAlways import utilities with version pins to avoid breaking changes:\n\n```ts\nimport { parseProject, readFile, serveFile } from \"https://esm.town/v/std/utils@85-main/index.ts\";\n```\n\n### Available Utilities\n\n\n#### **serveFile** - Serve project files with proper content types\n\nFor example, in Hono:\n\n```ts\n// serve all files in frontend/ and shared/\napp.get(\"/frontend/*\", c => serveFile(c.req.path, import.meta.url));\napp.get(\"/shared/*\", c => serveFile(c.req.path, import.meta.url));\n```\n\n#### **readFile** - Read files from within the project:\n\n```ts\n// Read a file from the project\nconst fileContent = await readFile(\"/frontend/index.html\", import.meta.url);\n```\n\n#### **listFiles** - List all files in the project\n\n```ts\nconst files = await listFiles(import.meta.url);\n```\n\n#### **parseProject** - Extract information about the current project from import.meta.url\n\nThis is useful for including info for linking back to a val, ie in \"view source\" urls:\n\n```ts\nconst projectVal = parseProject(import.meta.url);\nconsole.log(projectVal.username); // Owner of the project\nconsole.log(projectVal.name); // Project name\nconsole.log(projectVal.version); // Version number\nconsole.log(projectVal.branch); // Branch name\nconsole.log(projectVal.links.self.project); // URL to the project page\n```\n\nHowever, it's *extremely importing* to note that `parseProject` and other Standard Library utilities ONLY RUN ON THE SERVER.\nIf you need access to this data on the client, run it in the server and pass it to the client by splicing it into the HTML page\nor by making an API request for it.\n\n## Val Town Platform Specifics\n\n- **Redirects:** Use `return new Response(null, { status: 302, headers: { Location: \"/place/to/redirect\" }})` instead of `Response.redirect` which is broken\n- **Images:** Avoid external images or base64 images. Use emojis, unicode symbols, or icon fonts/libraries instead\n- **AI Image:** To inline generate an AI image use: `

`\n- **Storage:** DO NOT use the Deno KV module for storage\n- **Browser APIs:** DO NOT use the `alert()`, `prompt()`, or `confirm()` methods\n- **Weather Data:** Use open-meteo for weather data (doesn't require API keys) unless otherwise specified\n- **View Source:** Add a view source link by importing & using `import.meta.url.replace(\"ems.sh\", \"val.town)\"` (or passing this data to the client) and include `target=\"_top\"` attribute\n- **Error Debugging:** Add `` to HTML to capture client-side errors\n- **Error Handling:** Only use try...catch when there's a clear local resolution; Avoid catches that merely log or return 500s. Let errors bubble up with full context\n- **Environment Variables:** Use `Deno.env.get('keyname')` when you need to, but generally prefer APIs that don't require keys\n- **Imports:** Use `https://esm.sh` for npm and Deno dependencies to ensure compatibility on server and browser\n- **Storage Strategy:** Only use backend storage if explicitly required; prefer simple static client-side sites\n- **React Configuration:** When using React libraries, pin versions with `?deps=react@18.2.0,react-dom@18.2.0` and start the file with `/** @jsxImportSource https://esm.sh/react@18.2.0 */`\n- Ensure all React dependencies and sub-dependencies are pinned to the same version\n- **Styling:** Default to using TailwindCSS via `` unless otherwise specified\n\n## Project Structure and Design Patterns\n\n### Recommended Directory Structure\n```\n├── backend/\n│ ├── database/\n│ │ ├── migrations.ts # Schema definitions\n│ │ ├── queries.ts # DB query functions\n│ │ └── README.md\n│ └── routes/ # Route modules\n│ ├── [route].ts\n│ └── static.ts # Static file serving\n│ ├── index.ts # Main entry point\n│ └── README.md\n├── frontend/\n│ ├── components/\n│ │ ├── App.tsx\n│ │ └── [Component].tsx\n│ ├── favicon.svg\n│ ├── index.html # Main HTML template\n│ ├── index.tsx # Frontend JS entry point\n│ ├── README.md\n│ └── style.css\n├── README.md\n└── shared/\n ├── README.md\n └── utils.ts # Shared types and functions\n```\n\n### Backend (Hono) Best Practices\n\n- Hono is the recommended API framework\n- Main entry point should be `backend/index.ts`\n- **Static asset serving:** Use the utility functions to read and serve project files:\n ```ts\n import { readFile, serveFile } from \"https://esm.town/v/std/utils@85-main/index.ts\";\n \n // serve all files in frontend/ and shared/\n app.get(\"/frontend/*\", c => serveFile(c.req.path, import.meta.url));\n app.get(\"/shared/*\", c => serveFile(c.req.path, import.meta.url));\n \n // For index.html, often you'll want to bootstrap with initial data\n app.get(\"/\", async c => {\n let html = await readFile(\"/frontend/index.html\", import.meta.url);\n \n // Inject data to avoid extra round-trips\n const initialData = await fetchInitialData();\n const dataScript = ``;\n \n html = html.replace(\"\", `${dataScript}`);\n return c.html(html);\n });\n ```\n- Create RESTful API routes for CRUD operations\n- Always include this snippet at the top-level Hono app to re-throwing errors to see full stack traces:\n ```ts\n // Unwrap Hono errors to see original error details\n app.onError((err, c) => {\n throw err;\n });\n ```\n\n### Database Patterns\n- Run migrations on startup or comment out for performance\n- Change table names when modifying schemas rather than altering\n- Export clear query functions with proper TypeScript typing\n\n## Common Gotchas and Solutions\n\n1. **Environment Limitations:** \n - Val Town runs on Deno in a serverless context, not Node.js\n - Code in `shared/` must work in both frontend and backend environments\n - Cannot use `Deno` keyword in shared code\n - Use `https://esm.sh` for imports that work in both environments\n\n2. **SQLite Peculiarities:**\n - Limited support for ALTER TABLE operations\n - Create new tables with updated schemas and copy data when needed\n - Always run table creation before querying\n\n3. **React Configuration:**\n - All React dependencies must be pinned to 18.2.0\n - Always include `@jsxImportSource https://esm.sh/react@18.2.0` at the top of React files\n - Rendering issues often come from mismatched React versions\n\n4. **File Handling:**\n - Val Town only supports text files, not binary\n - Use the provided utilities to read files across branches and forks\n - For files in the project, use `readFile` helpers\n\n5. **API Design:**\n - `fetch` handler is the entry point for HTTP vals\n - Run the Hono app with `export default app.fetch // This is the entry point for HTTP 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