chore: ignore .turbo cache dirs

Signed-off-by: Dmytro Stanchiev <git@dmytros.dev>

.gitignore

@@ -33,6 +33,7 @@ report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
 .eslintcache
 .cache
 *.tsbuildinfo
+.turbo
 
 # IntelliJ based IDEs
 .idea

bun.lock

@@ -6,6 +6,8 @@
       "name": "marketplace-scrapers-monorepo",
       "devDependencies": {
         "@biomejs/biome": "2.3.11",
+        "@tsconfig/bun": "catalog:",
+        "turbo": "2.5.4",
       },
     },
     "packages/api-server": {
@@ -13,9 +15,10 @@
       "version": "1.0.0",
       "dependencies": {
         "@marketplace-scrapers/core": "workspace:*",
+        "@typescript/native-preview": "catalog:",
       },
       "devDependencies": {
-        "@types/bun": "latest",
+        "@types/bun": "catalog:",
       },
       "peerDependencies": {
         "typescript": "^5",
@@ -25,14 +28,15 @@
       "name": "@marketplace-scrapers/core",
       "version": "1.0.0",
       "dependencies": {
+        "@typescript/native-preview": "catalog:",
         "cli-progress": "^3.12.0",
         "linkedom": "^0.18.12",
         "unidecode": "^1.1.0",
       },
       "devDependencies": {
-        "@types/bun": "latest",
-        "@types/cli-progress": "^3.11.6",
-        "@types/unidecode": "^1.1.0",
+        "@types/bun": "catalog:",
+        "@types/cli-progress": "catalog:",
+        "@types/unidecode": "catalog:",
       },
       "peerDependencies": {
         "typescript": "^5",
@@ -43,15 +47,23 @@
       "version": "1.0.0",
       "dependencies": {
         "@marketplace-scrapers/core": "workspace:*",
+        "@typescript/native-preview": "catalog:",
       },
       "devDependencies": {
-        "@types/bun": "latest",
+        "@types/bun": "catalog:",
       },
       "peerDependencies": {
         "typescript": "^5",
       },
     },
   },
+  "catalog": {
+    "@tsconfig/bun": "1.0.9",
+    "@types/bun": "1.3.13",
+    "@types/cli-progress": "3.11.6",
+    "@types/unidecode": "1.1.0",
+    "@typescript/native-preview": "7.0.0-dev.20260428.1",
+  },
   "packages": {
     "@biomejs/biome": ["@biomejs/biome@2.3.11", "", { "optionalDependencies": { "@biomejs/cli-darwin-arm64": "2.3.11", "@biomejs/cli-darwin-x64": "2.3.11", "@biomejs/cli-linux-arm64": "2.3.11", "@biomejs/cli-linux-arm64-musl": "2.3.11", "@biomejs/cli-linux-x64": "2.3.11", "@biomejs/cli-linux-x64-musl": "2.3.11", "@biomejs/cli-win32-arm64": "2.3.11", "@biomejs/cli-win32-x64": "2.3.11" }, "bin": { "biome": "bin/biome" } }, "sha512-/zt+6qazBWguPG6+eWmiELqO+9jRsMZ/DBU3lfuU2ngtIQYzymocHhKiZRyrbra4aCOoyTg/BmY+6WH5mv9xmQ=="],
 
@@ -77,7 +89,9 @@
 
     "@marketplace-scrapers/mcp-server": ["@marketplace-scrapers/mcp-server@workspace:packages/mcp-server"],
 
-    "@types/bun": ["@types/bun@1.3.4", "", { "dependencies": { "bun-types": "1.3.4" } }, "sha512-EEPTKXHP+zKGPkhRLv+HI0UEX8/o+65hqARxLy8Ov5rIxMBPNTjeZww00CIihrIQGEQBYg+0roO5qOnS/7boGA=="],
+    "@tsconfig/bun": ["@tsconfig/bun@1.0.9", "", {}, "sha512-4M0/Ivfwcpz325z6CwSifOBZYji3DFOEpY6zEUt0+Xi2qRhzwvmqQN9XAHJh3OVvRJuAqVTLU2abdCplvp6mwQ=="],
+
+    "@types/bun": ["@types/bun@1.3.13", "", { "dependencies": { "bun-types": "1.3.13" } }, "sha512-9fqXWk5YIHGGnUau9TEi+qdlTYDAnOj+xLCmSTwXfAIqXr2x4tytJb43E9uCvt09zJURKXwAtkoH4nLQfzeTXw=="],
 
     "@types/cli-progress": ["@types/cli-progress@3.11.6", "", { "dependencies": { "@types/node": "*" } }, "sha512-cE3+jb9WRlu+uOSAugewNpITJDt1VF8dHOopPO4IABFc3SXYL5WE/+PTz/FCdZRRfIujiWW3n3aMbv1eIGVRWA=="],
 
@@ -85,11 +99,27 @@
 
     "@types/unidecode": ["@types/unidecode@1.1.0", "", {}, "sha512-NTIsFsTe9WRek39/8DDj7KiQ0nU33DHMrKwNHcD1rKlUvn4N0Rc4Di8q/Xavs8bsDZmBa4MMtQA8+HNgwfxC/A=="],
 
+    "@typescript/native-preview": ["@typescript/native-preview@7.0.0-dev.20260428.1", "", { "optionalDependencies": { "@typescript/native-preview-darwin-arm64": "7.0.0-dev.20260428.1", "@typescript/native-preview-darwin-x64": "7.0.0-dev.20260428.1", "@typescript/native-preview-linux-arm": "7.0.0-dev.20260428.1", "@typescript/native-preview-linux-arm64": "7.0.0-dev.20260428.1", "@typescript/native-preview-linux-x64": "7.0.0-dev.20260428.1", "@typescript/native-preview-win32-arm64": "7.0.0-dev.20260428.1", "@typescript/native-preview-win32-x64": "7.0.0-dev.20260428.1" }, "bin": { "tsgo": "bin/tsgo.js" } }, "sha512-JiM4PYWDGs57TT0mV2KArmaW7BnTkk3XRid79NdG17tfvDbRyg4hBCpKI7vARiQPtxjKrHlxyzxOGDpv5W5T7Q=="],
+
+    "@typescript/native-preview-darwin-arm64": ["@typescript/native-preview-darwin-arm64@7.0.0-dev.20260428.1", "", { "os": "darwin", "cpu": "arm64" }, "sha512-Lll6WmXfgTEj1G3QBIoHlabQwUtJiyhlRgSLksa06QFL5BoA7V+Lu1waa9PtPNZbGsXLDMHodtk/bRQABKuPiw=="],
+
+    "@typescript/native-preview-darwin-x64": ["@typescript/native-preview-darwin-x64@7.0.0-dev.20260428.1", "", { "os": "darwin", "cpu": "x64" }, "sha512-WbsBNSHlo+4sGrTxDWdmI7r8x48tCtSCuKdmK62FvVOq58UWAs6sL13Z4Rev4ohLcGHdXC5E/8AIdpLPqDYQpw=="],
+
+    "@typescript/native-preview-linux-arm": ["@typescript/native-preview-linux-arm@7.0.0-dev.20260428.1", "", { "os": "linux", "cpu": "arm" }, "sha512-/d/NnZFvEJU67L5mHh+cO3gsfwNCvJ9HGtxGq1KGz1VwTabOIcwLdpTpfsAR39WXzzfh9GJHL28n6GSGZInPow=="],
+
+    "@typescript/native-preview-linux-arm64": ["@typescript/native-preview-linux-arm64@7.0.0-dev.20260428.1", "", { "os": "linux", "cpu": "arm64" }, "sha512-cgcBX/ZBMdepkamLT8g8jQdHe7DZS/s6zTZRof6mvcrnJHlMeUnKoC9UO8/c22IrUMV3n0XPh7R8FYjUP0ll+Q=="],
+
+    "@typescript/native-preview-linux-x64": ["@typescript/native-preview-linux-x64@7.0.0-dev.20260428.1", "", { "os": "linux", "cpu": "x64" }, "sha512-4gJCE7wzenx1BH2Vtx2uKWUo8rFxnhGkxNEH1zxbYy/6ASwo+PnOPYmKHAzNE1C3yB5lzw71/vR5p5zyO57Y4A=="],
+
+    "@typescript/native-preview-win32-arm64": ["@typescript/native-preview-win32-arm64@7.0.0-dev.20260428.1", "", { "os": "win32", "cpu": "arm64" }, "sha512-yn6Rzbn62L4QTWrp0QgG8al6l/VG7PCPRdbE0vuGDSlKhInlC+Flo4QSc1qA8KHTbpHgl+nEsq9DymiitI4G4g=="],
+
+    "@typescript/native-preview-win32-x64": ["@typescript/native-preview-win32-x64@7.0.0-dev.20260428.1", "", { "os": "win32", "cpu": "x64" }, "sha512-T9z13mcMowXmwGjprA2FIR2EEdYZxgqH8+qk7dFZVBlo5vfk41AN/qJfAdN7IsAhEb640MJ8cMN/aiczweZKmA=="],
+
     "ansi-regex": ["ansi-regex@5.0.1", "", {}, "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ=="],
 
     "boolbase": ["boolbase@1.0.0", "", {}, "sha512-JZOSA7Mo9sNGB8+UjSgzdLtokWAky1zbztM3WRLCbZ70/3cTANmQmOdR7y2g+J0e2WXywy1yS468tY+IruqEww=="],
 
-    "bun-types": ["bun-types@1.3.4", "", { "dependencies": { "@types/node": "*" } }, "sha512-5ua817+BZPZOlNaRgGBpZJOSAQ9RQ17pkwPD0yR7CfJg+r8DgIILByFifDTa+IPDDxzf5VNhtNlcKqFzDgJvlQ=="],
+    "bun-types": ["bun-types@1.3.13", "", { "dependencies": { "@types/node": "*" } }, "sha512-QXKeHLlOLqQX9LgYaHJfzdBaV21T63HhFJnvuRCcjZiaUDpbs5ED1MgxbMra71CsryN/1dAoXuJJJwIv/2drVA=="],
 
     "cli-progress": ["cli-progress@3.12.0", "", { "dependencies": { "string-width": "^4.2.3" } }, "sha512-tRkV3HJ1ASwm19THiiLIXLO7Im7wlTuKnvkYaTkyoAPefqjNg7W7DHKUlGRxy9vxDvbyCYQkQozvptuMkGCg8A=="],
 
@@ -125,6 +155,20 @@
 
     "strip-ansi": ["strip-ansi@6.0.1", "", { "dependencies": { "ansi-regex": "^5.0.1" } }, "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A=="],
 
+    "turbo": ["turbo@2.5.4", "", { "optionalDependencies": { "turbo-darwin-64": "2.5.4", "turbo-darwin-arm64": "2.5.4", "turbo-linux-64": "2.5.4", "turbo-linux-arm64": "2.5.4", "turbo-windows-64": "2.5.4", "turbo-windows-arm64": "2.5.4" }, "bin": { "turbo": "bin/turbo" } }, "sha512-kc8ZibdRcuWUG1pbYSBFWqmIjynlD8Lp7IB6U3vIzvOv9VG+6Sp8bzyeBWE3Oi8XV5KsQrznyRTBPvrf99E4mA=="],
+
+    "turbo-darwin-64": ["turbo-darwin-64@2.5.4", "", { "os": "darwin", "cpu": "x64" }, "sha512-ah6YnH2dErojhFooxEzmvsoZQTMImaruZhFPfMKPBq8sb+hALRdvBNLqfc8NWlZq576FkfRZ/MSi4SHvVFT9PQ=="],
+
+    "turbo-darwin-arm64": ["turbo-darwin-arm64@2.5.4", "", { "os": "darwin", "cpu": "arm64" }, "sha512-2+Nx6LAyuXw2MdXb7pxqle3MYignLvS7OwtsP9SgtSBaMlnNlxl9BovzqdYAgkUW3AsYiQMJ/wBRb7d+xemM5A=="],
+
+    "turbo-linux-64": ["turbo-linux-64@2.5.4", "", { "os": "linux", "cpu": "x64" }, "sha512-5May2kjWbc8w4XxswGAl74GZ5eM4Gr6IiroqdLhXeXyfvWEdm2mFYCSWOzz0/z5cAgqyGidF1jt1qzUR8hTmOA=="],
+
+    "turbo-linux-arm64": ["turbo-linux-arm64@2.5.4", "", { "os": "linux", "cpu": "arm64" }, "sha512-/2yqFaS3TbfxV3P5yG2JUI79P7OUQKOUvAnx4MV9Bdz6jqHsHwc9WZPpO4QseQm+NvmgY6ICORnoVPODxGUiJg=="],
+
+    "turbo-windows-64": ["turbo-windows-64@2.5.4", "", { "os": "win32", "cpu": "x64" }, "sha512-EQUO4SmaCDhO6zYohxIjJpOKRN3wlfU7jMAj3CgcyTPvQR/UFLEKAYHqJOnJtymbQmiiM/ihX6c6W6Uq0yC7mA=="],
+
+    "turbo-windows-arm64": ["turbo-windows-arm64@2.5.4", "", { "os": "win32", "cpu": "arm64" }, "sha512-oQ8RrK1VS8lrxkLriotFq+PiF7iiGgkZtfLKF4DDKsmdbPo0O9R2mQxm7jHLuXraRCuIQDWMIw6dpcr7Iykf4A=="],
+
     "typescript": ["typescript@5.9.3", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw=="],
 
     "uhyphen": ["uhyphen@0.2.0", "", {}, "sha512-qz3o9CHXmJJPGBdqzab7qAYuW8kQGKNEuoHFYrBwV6hWIMcpAmxDLXojcHfFr9US1Pe6zUswEIJIbLI610fuqA=="],

bunfig.toml

@@ -0,0 +1,5 @@
+[install]
+exact = true
+
+[test]
+root = "./do-not-run-tests-from-root"

docs/superpowers/plans/2025-07-14-opencode-monorepo-config.md

@@ -0,0 +1,477 @@
+# opencode Monorepo Config Adoption Implementation Plan
+
+> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
+
+**Goal:** Adopt opencode-style monorepo config: Turbo task orchestration, workspace dep catalog, shared root tsconfig, bunfig.toml, and `exports` field in all packages.
+
+**Architecture:** Pure config changes across 10 files — no source code touched. Root config files are added/updated first, then per-package files updated to reference them. Changes are independent within each task and safe to commit atomically.
+
+**Tech Stack:** Bun workspaces, Turbo 2.x, @tsconfig/bun, TypeScript (tsgo / @typescript/native-preview)
+
+---
+
+## File Map
+
+| File | Action | Responsible for |
+|---|---|---|
+| `package.json` | Modify | Workspace catalog, turbo devDep, @tsconfig/bun devDep, updated scripts |
+| `turbo.json` | Create | Task graph: typecheck, build, test |
+| `tsconfig.json` | Create | Shared TS compiler options for all packages |
+| `bunfig.toml` | Create | Exact installs, root test guard |
+| `packages/core/package.json` | Modify | exports field, catalog refs, script rename |
+| `packages/api-server/package.json` | Modify | exports field, catalog refs, script rename |
+| `packages/mcp-server/package.json` | Modify | exports field, catalog refs, script rename |
+| `packages/core/tsconfig.json` | Modify | Slim — extends root, paths only |
+| `packages/api-server/tsconfig.json` | Modify | Slim — extends root, paths only |
+| `packages/mcp-server/tsconfig.json` | Modify | Slim — extends root, paths only |
+
+---
+
+### Task 1: Add `bunfig.toml` and `turbo.json`
+
+Two new root config files with no dependencies on other tasks.
+
+**Files:**
+- Create: `bunfig.toml`
+- Create: `turbo.json`
+
+- [ ] **Step 1: Create `bunfig.toml`**
+
+Write this file at repo root (`/path/to/ca-marketplace-scraper/bunfig.toml`):
+
+```toml
+[install]
+exact = true
+
+[test]
+root = "./do-not-run-tests-from-root"
+```
+
+- [ ] **Step 2: Create `turbo.json`**
+
+Write this file at repo root:
+
+```json
+{
+  "$schema": "https://turbo.build/schema.json",
+  "tasks": {
+    "typecheck": {},
+    "build": {
+      "dependsOn": ["^build"],
+      "outputs": ["dist/**"]
+    },
+    "test": {
+      "dependsOn": ["^build"],
+      "outputs": []
+    }
+  }
+}
+```
+
+- [ ] **Step 3: Verify files exist**
+
+Run:
+```bash
+ls bunfig.toml turbo.json
+```
+Expected: both files listed, no errors.
+
+- [ ] **Step 4: Commit**
+
+```bash
+git add bunfig.toml turbo.json
+git commit -m "chore: add bunfig.toml and turbo.json"
+```
+
+---
+
+### Task 2: Create root `tsconfig.json`
+
+Shared base tsconfig all packages will extend. Extracts the common options currently duplicated in all 3 per-package tsconfigs.
+
+**Files:**
+- Create: `tsconfig.json`
+
+- [ ] **Step 1: Create root `tsconfig.json`**
+
+Write this file at repo root:
+
+```json
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "@tsconfig/bun/tsconfig.json",
+  "compilerOptions": {
+    "lib": ["dom", "ESNext"],
+    "target": "ESNext",
+    "module": "preserve",
+    "moduleResolution": "bundler",
+    "strict": true,
+    "noEmit": true,
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}
+```
+
+- [ ] **Step 2: Commit**
+
+```bash
+git add tsconfig.json
+git commit -m "chore: add shared root tsconfig.json"
+```
+
+---
+
+### Task 3: Update root `package.json`
+
+Add workspace catalog, `turbo` + `@tsconfig/bun` devDependencies, and update scripts to use `turbo run`.
+
+**Files:**
+- Modify: `package.json`
+
+- [ ] **Step 1: Replace root `package.json`**
+
+Write this complete file:
+
+```json
+{
+  "name": "marketplace-scrapers-monorepo",
+  "version": "1.0.0",
+  "private": true,
+  "type": "module",
+  "packageManager": "bun@1.3.13",
+  "scripts": {
+    "typecheck": "turbo run typecheck",
+    "build": "bun run clean && turbo run build",
+    "build:api": "bun build ./packages/api-server/src/index.ts --target=bun --outdir=./dist/api --minify",
+    "build:mcp": "bun build ./packages/mcp-server/src/index.ts --target=bun --outdir=./dist/mcp --minify",
+    "build:all": "bun run build:api && bun run build:mcp",
+    "ci": "biome ci",
+    "clean": "rm -rf dist",
+    "start": "./scripts/start.sh"
+  },
+  "workspaces": {
+    "packages": [
+      "packages/*"
+    ],
+    "catalog": {
+      "@tsconfig/bun": "1.0.9",
+      "@typescript/native-preview": "7.0.0-dev.20260428.1",
+      "@types/bun": "1.2.18",
+      "@types/cli-progress": "3.11.6",
+      "@types/unidecode": "1.1.0"
+    }
+  },
+  "devDependencies": {
+    "@biomejs/biome": "2.3.11",
+    "@tsconfig/bun": "catalog:",
+    "turbo": "2.5.4"
+  }
+}
+```
+
+> **Note on catalog versions:** The catalog pins exact versions. The values above are taken from the current package installs. If `@types/bun` was `latest`, check `node_modules/@types/bun/package.json` for the actual installed version and use that. Same for `@typescript/native-preview`.
+
+- [ ] **Step 2: Check actual installed versions**
+
+Run:
+```bash
+cat node_modules/@types/bun/package.json | grep '"version"'
+cat node_modules/@typescript/native-preview/package.json | grep '"version"'
+cat node_modules/@types/cli-progress/package.json | grep '"version"'
+cat node_modules/@types/unidecode/package.json | grep '"version"'
+```
+
+Update the catalog values in `package.json` to match the exact installed versions.
+
+- [ ] **Step 3: Install turbo and @tsconfig/bun**
+
+```bash
+bun install
+```
+
+Expected: lock file updated, `turbo` and `@tsconfig/bun` appear in `node_modules`.
+
+- [ ] **Step 4: Verify turbo works**
+
+```bash
+bunx turbo run typecheck --dry
+```
+
+Expected: output lists the `typecheck` task for each package (even if no `typecheck` script exists yet — turbo will note them as skipped/missing).
+
+- [ ] **Step 5: Commit**
+
+```bash
+git add package.json bun.lock
+git commit -m "chore: add workspace catalog and turbo to root package.json"
+```
+
+---
+
+### Task 4: Update per-package `package.json` files
+
+Rename `type:check` → `typecheck`, replace `main`/`module` with `exports`, swap pinned dep versions for `catalog:` references.
+
+**Files:**
+- Modify: `packages/core/package.json`
+- Modify: `packages/api-server/package.json`
+- Modify: `packages/mcp-server/package.json`
+
+- [ ] **Step 1: Replace `packages/core/package.json`**
+
+```json
+{
+  "name": "@marketplace-scrapers/core",
+  "version": "1.0.0",
+  "type": "module",
+  "exports": {
+    ".": "./src/index.ts"
+  },
+  "private": true,
+  "scripts": {
+    "typecheck": "bun tsgo"
+  },
+  "dependencies": {
+    "@typescript/native-preview": "catalog:",
+    "cli-progress": "^3.12.0",
+    "linkedom": "^0.18.12",
+    "unidecode": "^1.1.0"
+  },
+  "devDependencies": {
+    "@types/bun": "catalog:",
+    "@types/cli-progress": "catalog:",
+    "@types/unidecode": "catalog:"
+  },
+  "peerDependencies": {
+    "typescript": "^5"
+  }
+}
+```
+
+- [ ] **Step 2: Replace `packages/api-server/package.json`**
+
+```json
+{
+  "name": "@marketplace-scrapers/api-server",
+  "version": "1.0.0",
+  "type": "module",
+  "exports": {
+    ".": "./src/index.ts"
+  },
+  "private": true,
+  "scripts": {
+    "start": "bun ./src/index.ts",
+    "dev": "bun --watch ./src/index.ts",
+    "build": "bun build ./src/index.ts --target=bun --outdir=../../dist/api",
+    "typecheck": "bun tsgo"
+  },
+  "dependencies": {
+    "@marketplace-scrapers/core": "workspace:*",
+    "@typescript/native-preview": "catalog:"
+  },
+  "devDependencies": {
+    "@types/bun": "catalog:"
+  },
+  "peerDependencies": {
+    "typescript": "^5"
+  }
+}
+```
+
+- [ ] **Step 3: Replace `packages/mcp-server/package.json`**
+
+```json
+{
+  "name": "@marketplace-scrapers/mcp-server",
+  "version": "1.0.0",
+  "type": "module",
+  "exports": {
+    ".": "./src/index.ts"
+  },
+  "private": true,
+  "scripts": {
+    "start": "bun ./src/index.ts",
+    "dev": "bun --watch ./src/index.ts",
+    "build": "bun build ./src/index.ts --target=bun --outdir=../../dist/mcp",
+    "typecheck": "bun tsgo"
+  },
+  "dependencies": {
+    "@marketplace-scrapers/core": "workspace:*",
+    "@typescript/native-preview": "catalog:"
+  },
+  "devDependencies": {
+    "@types/bun": "catalog:"
+  },
+  "peerDependencies": {
+    "typescript": "^5"
+  }
+}
+```
+
+- [ ] **Step 4: Run `bun install` to sync lockfile**
+
+```bash
+bun install
+```
+
+Expected: no errors. Catalog refs resolved. `bun.lock` updated.
+
+- [ ] **Step 5: Verify typecheck still works per-package**
+
+```bash
+cd packages/core && bun run typecheck
+cd ../api-server && bun run typecheck
+cd ../mcp-server && bun run typecheck
+cd ../..
+```
+
+Expected: each exits 0 (or same errors as before — no new errors introduced).
+
+- [ ] **Step 6: Commit**
+
+```bash
+git add packages/core/package.json packages/api-server/package.json packages/mcp-server/package.json bun.lock
+git commit -m "chore: use exports field and catalog refs in all packages"
+```
+
+---
+
+### Task 5: Slim per-package `tsconfig.json` files
+
+Replace the duplicated full tsconfig in each package with a slim `extends`-based one pointing to root.
+
+**Files:**
+- Modify: `packages/core/tsconfig.json`
+- Modify: `packages/api-server/tsconfig.json`
+- Modify: `packages/mcp-server/tsconfig.json`
+
+- [ ] **Step 1: Replace `packages/core/tsconfig.json`**
+
+```json
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "include": ["./src", "./test"]
+}
+```
+
+- [ ] **Step 2: Replace `packages/api-server/tsconfig.json`**
+
+```json
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "include": ["./src", "./test"]
+}
+```
+
+- [ ] **Step 3: Replace `packages/mcp-server/tsconfig.json`**
+
+```json
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "paths": {
+      "@/*": ["./src/*"]
+    }
+  },
+  "include": ["./src", "./test"]
+}
+```
+
+- [ ] **Step 4: Verify `@tsconfig/bun` is resolvable**
+
+The root tsconfig extends `@tsconfig/bun/tsconfig.json`. Confirm the package is installed:
+
+```bash
+ls node_modules/@tsconfig/bun/tsconfig.json
+```
+
+Expected: file exists.
+
+- [ ] **Step 5: Run typecheck via Turbo**
+
+```bash
+bun run typecheck
+```
+
+Expected: Turbo runs `typecheck` for all 3 packages in parallel, all pass (or same pre-existing errors — no new ones).
+
+- [ ] **Step 6: Commit**
+
+```bash
+git add packages/core/tsconfig.json packages/api-server/tsconfig.json packages/mcp-server/tsconfig.json
+git commit -m "chore: slim per-package tsconfigs to extend root"
+```
+
+---
+
+### Task 6: Smoke test full build pipeline
+
+Verify everything works end-to-end.
+
+**Files:** none (verification only)
+
+- [ ] **Step 1: Run turbo typecheck**
+
+```bash
+bun run typecheck
+```
+
+Expected: Turbo runs `typecheck` across all packages. Exit 0.
+
+- [ ] **Step 2: Run full build**
+
+```bash
+bun run build
+```
+
+Expected: `dist/` cleaned, Turbo runs `build` (core first, then api-server and mcp-server in parallel), build artifacts appear in `dist/api/` and `dist/mcp/`.
+
+- [ ] **Step 3: Verify dist artifacts**
+
+```bash
+ls dist/api/ dist/mcp/
+```
+
+Expected: compiled output files in both directories.
+
+- [ ] **Step 4: Verify `bun install` is exact**
+
+```bash
+grep -c '\^' bun.lock | head -5
+```
+
+With `exact = true` in bunfig.toml, new installs won't add `^` ranges. Existing `^` ranges in `bun.lock` from before are fine — they'll be resolved to exact on next fresh install.
+
+- [ ] **Step 5: Final commit if any loose files**
+
+```bash
+git status
+```
+
+If clean: done. If any files modified by `bun install` (e.g. `bun.lock`):
+
+```bash
+git add bun.lock
+git commit -m "chore: sync lockfile after monorepo config adoption"
+```

docs/superpowers/specs/2025-07-14-opencode-monorepo-config-design.md

@@ -0,0 +1,136 @@
+# Design: Adopt opencode Monorepo Config
+
+**Date:** 2025-07-14  
+**Status:** Approved  
+**Approach:** Full adoption (A)
+
+## Context
+
+Current repo (`marketplace-scrapers-monorepo`) has basic bun workspaces with 3 packages (`core`, `api-server`, `mcp-server`). Reference: `anomalyco/opencode` monorepo patterns.
+
+**Gaps vs opencode:**
+- No Turbo (task orchestration, caching, dep graph)
+- No workspace catalog (shared dep versions duplicated across packages)
+- No root tsconfig (identical tsconfigs duplicated in all 3 packages)
+- No `bunfig.toml` (no exact installs, no root test guard)
+- `main`/`module` fields instead of `exports` field
+
+## Changes
+
+### 1. Root `package.json`
+
+- Add `workspaces.catalog` block with shared deps:
+  - `@typescript/native-preview`, `@types/bun`, `@types/unidecode`, `@types/cli-progress`
+- Add `turbo` to `devDependencies`
+- Add `@tsconfig/bun` to `devDependencies` + catalog
+- Update root scripts: `typecheck` and `build` delegate to `turbo run`
+- Keep `build:api`, `build:mcp`, `build:all`, `start` as-is (deployment-specific)
+- Rename `type:check` → `typecheck` in all packages (Turbo convention)
+
+### 2. `turbo.json` (new file)
+
+Tasks:
+```json
+{
+  "tasks": {
+    "typecheck": {},
+    "build": { "dependsOn": ["^build"], "outputs": ["dist/**"] },
+    "test": { "dependsOn": ["^build"], "outputs": [] }
+  }
+}
+```
+
+`core` builds before `api-server`/`mcp-server` due to `^build` dep.
+
+### 3. Root `tsconfig.json` (new file)
+
+```json
+{
+  "extends": "@tsconfig/bun/tsconfig.json",
+  "compilerOptions": {
+    "lib": ["dom", "ESNext"],
+    "target": "ESNext",
+    "module": "preserve",
+    "moduleResolution": "bundler",
+    "strict": true,
+    "noEmit": true,
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}
+```
+
+### 4. Per-package `tsconfig.json` (slim)
+
+All 3 packages slim to:
+```json
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "paths": { "@/*": ["./src/*"] }
+  },
+  "include": ["./src", "./test"]
+}
+```
+
+### 5. `bunfig.toml` (new file)
+
+```toml
+[install]
+exact = true
+
+[test]
+root = "./do-not-run-tests-from-root"
+```
+
+Exact installs = reproducible. Root test guard prevents accidental root-level test runs.
+
+### 6. Package `exports` field
+
+Replace `main`/`module` with `exports` in all 3 packages:
+```json
+"exports": { ".": "./src/index.ts" }
+```
+
+Remove `main` and `module` fields. Bun resolves `.ts` directly.
+
+### 7. Catalog references in per-package `package.json`
+
+Replace pinned versions with `"catalog:"` for shared deps:
+- `@typescript/native-preview: "catalog:"`
+- `@types/bun: "catalog:"`
+- `@types/unidecode: "catalog:"` (core only)
+- `@types/cli-progress: "catalog:"` (core only)
+
+## Files Changed
+
+| File | Action |
+|---|---|
+| `package.json` | Update (catalog, turbo dep, scripts) |
+| `turbo.json` | Create |
+| `tsconfig.json` | Create |
+| `bunfig.toml` | Create |
+| `packages/core/package.json` | Update (exports, catalog refs, script rename) |
+| `packages/api-server/package.json` | Update (exports, catalog refs, script rename) |
+| `packages/mcp-server/package.json` | Update (exports, catalog refs, script rename) |
+| `packages/core/tsconfig.json` | Update (slim, extends root) |
+| `packages/api-server/tsconfig.json` | Update (slim, extends root) |
+| `packages/mcp-server/tsconfig.json` | Update (slim, extends root) |
+
+## Non-Goals
+
+- No Husky/git hooks (not needed yet)
+- No SST/cloud infra (not applicable)
+- No prettier (keep biome as formatter)
+- No patches mechanism
+- No `postinstall` scripts

package.json

@@ -1,21 +1,35 @@
 {
+  "$schema": "https://json.schemastore.org/package.json",
   "name": "marketplace-scrapers-monorepo",
   "version": "1.0.0",
+  "private": true,
+  "type": "module",
+  "packageManager": "bun@1.3.13",
   "scripts": {
-    "ci": "biome ci",
-    "clean": "rm -rf dist",
+    "typecheck": "turbo run typecheck",
+    "build": "bun run clean && turbo run build",
     "build:api": "bun build ./packages/api-server/src/index.ts --target=bun --outdir=./dist/api --minify",
     "build:mcp": "bun build ./packages/mcp-server/src/index.ts --target=bun --outdir=./dist/mcp --minify",
     "build:all": "bun run build:api && bun run build:mcp",
-    "build": "bun run clean && bun run build:all",
+    "ci": "biome ci",
+    "clean": "rm -rf dist",
     "start": "./scripts/start.sh"
   },
-  "private": true,
-  "type": "module",
-  "workspaces": [
+  "workspaces": {
+    "packages": [
       "packages/*"
     ],
+    "catalog": {
+      "@tsconfig/bun": "1.0.9",
+      "@typescript/native-preview": "7.0.0-dev.20260428.1",
+      "@types/bun": "1.3.13",
+      "@types/cli-progress": "3.11.6",
+      "@types/unidecode": "1.1.0"
+    }
+  },
   "devDependencies": {
-    "@biomejs/biome": "2.3.11"
+    "@biomejs/biome": "2.3.11",
+    "@tsconfig/bun": "catalog:",
+    "turbo": "2.5.4"
   }
 }

packages/api-server/package.json

@@ -2,18 +2,22 @@
   "name": "@marketplace-scrapers/api-server",
   "version": "1.0.0",
   "type": "module",
-  "module": "./src/index.ts",
+  "exports": {
+    ".": "./src/index.ts"
+  },
   "private": true,
   "scripts": {
     "start": "bun ./src/index.ts",
     "dev": "bun --watch ./src/index.ts",
-    "build": "bun build ./src/index.ts --target=bun --outdir=../../dist/api"
+    "build": "bun build ./src/index.ts --target=bun --outdir=../../dist/api",
+    "typecheck": "bun tsgo"
   },
   "dependencies": {
-    "@marketplace-scrapers/core": "workspace:*"
+    "@marketplace-scrapers/core": "workspace:*",
+    "@typescript/native-preview": "catalog:"
   },
   "devDependencies": {
-    "@types/bun": "latest"
+    "@types/bun": "catalog:"
   },
   "peerDependencies": {
     "typescript": "^5"

packages/api-server/src/routes/kijiji.ts

@@ -48,16 +48,16 @@ export async function kijijiRoute(req: Request): Promise<Response> {
     location: reqUrl.searchParams.get("location") || undefined,
     category: reqUrl.searchParams.get("category") || undefined,
     keywords: reqUrl.searchParams.get("keywords") || undefined,
-    sortBy: (reqUrl.searchParams.get("sortBy") as
+    sortBy:
+      (reqUrl.searchParams.get("sortBy") as
         | "relevancy"
         | "date"
         | "price"
         | "distance"
         | undefined) || undefined,
-    sortOrder: (reqUrl.searchParams.get("sortOrder") as
-      | "desc"
-      | "asc"
-      | undefined) || undefined,
+    sortOrder:
+      (reqUrl.searchParams.get("sortOrder") as "desc" | "asc" | undefined) ||
+      undefined,
     maxPages,
     priceMin,
     priceMax,

packages/api-server/test/routes.test.ts

@@ -1,4 +1,4 @@
-import { afterEach, beforeEach, describe, expect, mock, test } from "bun:test";
+import { beforeEach, describe, expect, mock, test } from "bun:test";
 
 const fetchFacebookItems = mock(() => Promise.resolve([{ title: "item" }]));
 const fetchEbayItems = mock(() => Promise.resolve([{ title: "item" }]));
@@ -123,7 +123,10 @@ describe("API routes", () => {
       ),
     );
 
-    expect(fetchEbayItems).toHaveBeenCalledWith("laptop", 1, {
+    expect(fetchEbayItems).toHaveBeenCalledWith(
+      "laptop",
+      1,
+      {
         minPrice: undefined,
         maxPrice: undefined,
         strictMode: false,
@@ -131,9 +134,11 @@ describe("API routes", () => {
         keywords: ["laptop"],
         buyItNowOnly: true,
         canadaOnly: true,
-    }, {
+      },
+      {
         hideUnstableResults: true,
-    });
+      },
+    );
   });
 
   test("kijijiRoute forwards unstableFilter=true to core", async () => {
@@ -202,9 +207,7 @@ describe("API routes", () => {
     const { ebayRoute } = await import("../src/routes/ebay");
 
     await ebayRoute(
-      new Request(
-        "http://localhost/api/ebay?q=laptop&buyItNowOnly=true",
-      ),
+      new Request("http://localhost/api/ebay?q=laptop&buyItNowOnly=true"),
     );
 
     expect(fetchEbayItems).toHaveBeenCalledWith("laptop", 1, {
@@ -242,9 +245,7 @@ describe("API routes", () => {
     const { kijijiRoute } = await import("../src/routes/kijiji");
 
     await kijijiRoute(
-      new Request(
-        "http://localhost/api/kijiji?q=laptop&maxPages=5",
-      ),
+      new Request("http://localhost/api/kijiji?q=laptop&maxPages=5"),
     );
 
     expect(fetchKijijiItems).toHaveBeenCalledWith(
@@ -385,17 +386,17 @@ describe("API routes", () => {
   test("ebayRoute forwards maxItems to core in default mode", async () => {
     const { ebayRoute } = await import("../src/routes/ebay");
 
-    fetchEbayItems.mockImplementation(() =>
-      Promise.resolve([{ title: "a" }]),
-    );
+    fetchEbayItems.mockImplementation(() => Promise.resolve([{ title: "a" }]));
 
     await ebayRoute(
-      new Request(
-        "http://localhost/api/ebay?q=laptop&maxItems=2",
-      ),
+      new Request("http://localhost/api/ebay?q=laptop&maxItems=2"),
     );
 
-    expect(fetchEbayItems).toHaveBeenCalledWith("laptop", 1, expect.objectContaining({ maxItems: 2 }));
+    expect(fetchEbayItems).toHaveBeenCalledWith(
+      "laptop",
+      1,
+      expect.objectContaining({ maxItems: 2 }),
+    );
   });
 
   test("ebayRoute passes through scraper payload unchanged in unstable mode", async () => {
@@ -419,9 +420,14 @@ describe("API routes", () => {
     expect(body.unstableResults).toHaveLength(2);
     expect(body.results[0].title).toBe("a");
     expect(body.unstableResults[0].title).toBe("d");
-    expect(fetchEbayItems).toHaveBeenCalledWith("laptop", 1, expect.objectContaining({ maxItems: 4 }), {
+    expect(fetchEbayItems).toHaveBeenCalledWith(
+      "laptop",
+      1,
+      expect.objectContaining({ maxItems: 4 }),
+      {
         hideUnstableResults: true,
-    });
+      },
+    );
   });
 
   test("ebayRoute forwards maxItems to core in unstable mode", async () => {
@@ -440,9 +446,14 @@ describe("API routes", () => {
       ),
     );
 
-    expect(fetchEbayItems).toHaveBeenCalledWith("laptop", 1, expect.objectContaining({ maxItems: 2 }), {
+    expect(fetchEbayItems).toHaveBeenCalledWith(
+      "laptop",
+      1,
+      expect.objectContaining({ maxItems: 2 }),
+      {
         hideUnstableResults: true,
-    });
+      },
+    );
   });
 
   test("ebayRoute returns 404 when unstable results are empty", async () => {
@@ -456,9 +467,7 @@ describe("API routes", () => {
     );
 
     const response = await ebayRoute(
-      new Request(
-        "http://localhost/api/ebay?q=laptop&unstableFilter=true",
-      ),
+      new Request("http://localhost/api/ebay?q=laptop&unstableFilter=true"),
     );
 
     expect(response.status).toBe(404);
@@ -470,9 +479,7 @@ describe("API routes", () => {
     const { ebayRoute } = await import("../src/routes/ebay");
 
     const response = await ebayRoute(
-      new Request(
-        "http://localhost/api/ebay?q=laptop&maxItems=abc",
-      ),
+      new Request("http://localhost/api/ebay?q=laptop&maxItems=abc"),
     );
 
     expect(response.status).toBe(400);
@@ -484,9 +491,7 @@ describe("API routes", () => {
     const { facebookRoute } = await import("../src/routes/facebook");
 
     const response = await facebookRoute(
-      new Request(
-        "http://localhost/api/facebook?q=laptop&maxItems=abc",
-      ),
+      new Request("http://localhost/api/facebook?q=laptop&maxItems=abc"),
     );
 
     expect(response.status).toBe(400);
@@ -498,9 +503,7 @@ describe("API routes", () => {
     const { ebayRoute } = await import("../src/routes/ebay");
 
     const response = await ebayRoute(
-      new Request(
-        "http://localhost/api/ebay?q=laptop&minPrice=abc",
-      ),
+      new Request("http://localhost/api/ebay?q=laptop&minPrice=abc"),
     );
 
     expect(response.status).toBe(400);
@@ -512,9 +515,7 @@ describe("API routes", () => {
     const { ebayRoute } = await import("../src/routes/ebay");
 
     const response = await ebayRoute(
-      new Request(
-        "http://localhost/api/ebay?q=laptop&maxPrice=abc",
-      ),
+      new Request("http://localhost/api/ebay?q=laptop&maxPrice=abc"),
     );
 
     expect(response.status).toBe(400);
@@ -526,9 +527,7 @@ describe("API routes", () => {
     const { kijijiRoute } = await import("../src/routes/kijiji");
 
     const response = await kijijiRoute(
-      new Request(
-        "http://localhost/api/kijiji?q=laptop&maxPages=abc",
-      ),
+      new Request("http://localhost/api/kijiji?q=laptop&maxPages=abc"),
     );
 
     expect(response.status).toBe(400);
@@ -540,9 +539,7 @@ describe("API routes", () => {
     const { kijijiRoute } = await import("../src/routes/kijiji");
 
     const response = await kijijiRoute(
-      new Request(
-        "http://localhost/api/kijiji?q=laptop&priceMin=abc",
-      ),
+      new Request("http://localhost/api/kijiji?q=laptop&priceMin=abc"),
     );
 
     expect(response.status).toBe(400);
@@ -554,9 +551,7 @@ describe("API routes", () => {
     const { kijijiRoute } = await import("../src/routes/kijiji");
 
     const response = await kijijiRoute(
-      new Request(
-        "http://localhost/api/kijiji?q=laptop&priceMax=abc",
-      ),
+      new Request("http://localhost/api/kijiji?q=laptop&priceMax=abc"),
     );
 
     expect(response.status).toBe(400);
@@ -568,9 +563,7 @@ describe("API routes", () => {
     const { facebookRoute } = await import("../src/routes/facebook");
 
     const response = await facebookRoute(
-      new Request(
-        "http://localhost/api/facebook?q=laptop&maxItems=-1",
-      ),
+      new Request("http://localhost/api/facebook?q=laptop&maxItems=-1"),
     );
 
     expect(response.status).toBe(400);
@@ -582,9 +575,7 @@ describe("API routes", () => {
     const { ebayRoute } = await import("../src/routes/ebay");
 
     const response = await ebayRoute(
-      new Request(
-        "http://localhost/api/ebay?q=laptop&maxItems=-1",
-      ),
+      new Request("http://localhost/api/ebay?q=laptop&maxItems=-1"),
     );
 
     expect(response.status).toBe(400);
@@ -596,9 +587,7 @@ describe("API routes", () => {
     const { ebayRoute } = await import("../src/routes/ebay");
 
     const response = await ebayRoute(
-      new Request(
-        "http://localhost/api/ebay?q=laptop&minPrice=-5",
-      ),
+      new Request("http://localhost/api/ebay?q=laptop&minPrice=-5"),
     );
 
     expect(response.status).toBe(400);
@@ -610,9 +599,7 @@ describe("API routes", () => {
     const { ebayRoute } = await import("../src/routes/ebay");
 
     const response = await ebayRoute(
-      new Request(
-        "http://localhost/api/ebay?q=laptop&maxPrice=-10",
-      ),
+      new Request("http://localhost/api/ebay?q=laptop&maxPrice=-10"),
     );
 
     expect(response.status).toBe(400);
@@ -624,9 +611,7 @@ describe("API routes", () => {
     const { kijijiRoute } = await import("../src/routes/kijiji");
 
     const response = await kijijiRoute(
-      new Request(
-        "http://localhost/api/kijiji?q=laptop&maxPages=-2",
-      ),
+      new Request("http://localhost/api/kijiji?q=laptop&maxPages=-2"),
     );
 
     expect(response.status).toBe(400);
@@ -638,9 +623,7 @@ describe("API routes", () => {
     const { kijijiRoute } = await import("../src/routes/kijiji");
 
     const response = await kijijiRoute(
-      new Request(
-        "http://localhost/api/kijiji?q=laptop&priceMin=-5",
-      ),
+      new Request("http://localhost/api/kijiji?q=laptop&priceMin=-5"),
     );
 
     expect(response.status).toBe(400);
@@ -652,9 +635,7 @@ describe("API routes", () => {
     const { kijijiRoute } = await import("../src/routes/kijiji");
 
     const response = await kijijiRoute(
-      new Request(
-        "http://localhost/api/kijiji?q=laptop&priceMax=-10",
-      ),
+      new Request("http://localhost/api/kijiji?q=laptop&priceMax=-10"),
     );
 
     expect(response.status).toBe(400);

packages/api-server/tsconfig.json

@@ -1,13 +1,9 @@
 {
+  "extends": "../../tsconfig.json",
   "compilerOptions": {
-    "lib": ["dom"],
-    "target": "ESNext",
-    "module": "ESNext",
-    "moduleResolution": "bundler",
     "paths": {
       "@/*": ["./src/*"]
-    },
-    "strict": true,
-    "noEmit": true
     }
+  },
+  "include": ["./src", "./test"]
 }

packages/core/package.json

@@ -2,18 +2,23 @@
   "name": "@marketplace-scrapers/core",
   "version": "1.0.0",
   "type": "module",
-  "main": "./src/index.ts",
-  "module": "./src/index.ts",
+  "exports": {
+    ".": "./src/index.ts"
+  },
   "private": true,
+  "scripts": {
+    "typecheck": "bun tsgo"
+  },
   "dependencies": {
+    "@typescript/native-preview": "catalog:",
     "cli-progress": "^3.12.0",
     "linkedom": "^0.18.12",
     "unidecode": "^1.1.0"
   },
   "devDependencies": {
-    "@types/bun": "latest",
-    "@types/unidecode": "^1.1.0",
-    "@types/cli-progress": "^3.11.6"
+    "@types/bun": "catalog:",
+    "@types/cli-progress": "catalog:",
+    "@types/unidecode": "catalog:"
   },
   "peerDependencies": {
     "typescript": "^5"

packages/core/src/scrapers/ebay.ts

@@ -4,13 +4,13 @@ import type {
   UnstableListingBuckets,
   UnstableListingModeOptions,
 } from "../types/common";
-import { classifyUnstableListings } from "../utils/unstable";
 import {
   type CookieConfig,
   ensureCookies,
   formatCookiesForHeader,
 } from "../utils/cookies";
 import { delay } from "../utils/delay";
+import { classifyUnstableListings } from "../utils/unstable";
 
 // eBay cookie configuration
 const EBAY_COOKIE_CONFIG: CookieConfig = {
@@ -44,7 +44,9 @@ function canonicalizeEbayItemUrl(url: string): string {
   try {
     const parsed = new URL(url, "https://www.ebay.ca");
     const match = parsed.pathname.match(/\/itm\/(?:[^/?#]+\/)?\d+/);
-    return match ? `${parsed.origin}${match[0]}` : `${parsed.origin}${parsed.pathname}`;
+    return match
+      ? `${parsed.origin}${match[0]}`
+      : `${parsed.origin}${parsed.pathname}`;
   } catch {
     return url;
   }
@@ -275,11 +277,7 @@ function parseEbayListings(
           const actualPrices: HTMLElement[] = [];
           for (const el of allPriceElements) {
             const text = el.textContent?.trim();
-            if (
-              text &&
-              EBAY_PRICE_TEXT_RE.test(text) &&
-              text.length < 50
-            ) {
+            if (text && EBAY_PRICE_TEXT_RE.test(text) && text.length < 50) {
               actualPrices.push(el);
             }
           }
@@ -386,7 +384,8 @@ async function loadEbayCookies(): Promise<string | undefined> {
 export default async function fetchEbayItems(
   SEARCH_QUERY: string,
   REQUESTS_PER_SECOND: number | undefined,
-  opts: {
+  opts:
+    | {
         minPrice?: number;
         maxPrice?: number;
         strictMode?: boolean;
@@ -395,7 +394,8 @@ export default async function fetchEbayItems(
         buyItNowOnly?: boolean;
         canadaOnly?: boolean;
         maxItems?: number;
-  } | undefined,
+      }
+    | undefined,
   unstableMode: { hideUnstableResults: true },
 ): Promise<UnstableListingBuckets<EbayListingDetails>>;
 export default async function fetchEbayItems(
@@ -529,7 +529,9 @@ export default async function fetchEbayItems(
     // Filter by price range (additional safety check)
     const filteredListings = listings.filter((listing) => {
       const cents = listing.listingPrice?.cents;
-      return typeof cents === "number" && cents >= minPrice && cents <= maxPrice;
+      return (
+        typeof cents === "number" && cents >= minPrice && cents <= maxPrice
+      );
     });
 
     console.log(`Parsed ${filteredListings.length} eBay listings.`);

packages/core/src/scrapers/facebook.ts

@@ -5,7 +5,6 @@ import type {
   UnstableListingBuckets,
   UnstableListingModeOptions,
 } from "../types/common";
-import { classifyUnstableListings } from "../utils/unstable";
 import {
   type Cookie,
   type CookieConfig,
@@ -16,6 +15,7 @@ import {
 import { delay } from "../utils/delay";
 import { formatCentsToCurrency } from "../utils/format";
 import { isRecord } from "../utils/http";
+import { classifyUnstableListings } from "../utils/unstable";
 
 /**
  * Facebook Marketplace Scraper
@@ -408,7 +408,11 @@ export function classifyFacebookResponse(
     htmlString.includes("This listing is no longer available") ||
     htmlString.includes("listing has been removed");
   if (unavailable) {
-    return { kind: "unavailable" as const, authGated: false, unavailable: true };
+    return {
+      kind: "unavailable" as const,
+      authGated: false,
+      unavailable: true,
+    };
   }
 
   if (responseUrl.includes("/marketplace/item/")) {
@@ -455,7 +459,8 @@ function isFacebookSearchEdgeArray(value: unknown): value is FacebookEdge[] {
     Array.isArray(value) &&
     value.length > 0 &&
     value.every(
-      (edge) => isRecord(edge) && isRecord(edge.node) && isRecord(edge.node.listing),
+      (edge) =>
+        isRecord(edge) && isRecord(edge.node) && isRecord(edge.node.listing),
     )
   );
 }
@@ -552,8 +557,7 @@ function scoreMarketplaceItemPath(path: string[]): number {
 
   if (
     path.some(
-      (segment) =>
-        segment.includes("recommend") || segment.includes("related"),
+      (segment) => segment.includes("recommend") || segment.includes("related"),
     )
   ) {
     score -= 10;
@@ -567,7 +571,9 @@ function collectMarketplaceItemCandidates(
   path: string[] = [],
 ): FacebookMarketplaceItemMatch[] {
   if (Array.isArray(candidate)) {
-    return candidate.flatMap((item) => collectMarketplaceItemCandidates(item, path));
+    return candidate.flatMap((item) =>
+      collectMarketplaceItemCandidates(item, path),
+    );
   }
 
   if (!isRecord(candidate)) {
@@ -628,7 +634,9 @@ function extractRenderedText(node: ParentNode, selector: string): string[] {
     .filter((text): text is string => Boolean(text));
 }
 
-function extractMarketplaceItemIdFromElement(element: Element | null): string | null {
+function extractMarketplaceItemIdFromElement(
+  element: Element | null,
+): string | null {
   const href = element?.getAttribute("href") || "";
   return href.match(FACEBOOK_ITEM_HREF_RE)?.[1] ?? null;
 }
@@ -666,7 +674,9 @@ function extractFacebookPermalinkItemId(document: Document): string | null {
   return extractMarketplaceItemIdFromElement(itemLinks.at(-1) ?? null);
 }
 
-function extractFacebookDescriptionText(document: Document): string | undefined {
+function extractFacebookDescriptionText(
+  document: Document,
+): string | undefined {
   const labels = Array.from(document.querySelectorAll("div, span, h2, h3, p"));
 
   for (const label of labels) {
@@ -759,7 +769,10 @@ function extractFacebookItemHtmlFallback(
   const priceText = texts.find((text) => FACEBOOK_PRICE_TEXT_RE.test(text));
   const parsedPrice = priceText ? parseFacebookRenderedPrice(priceText) : null;
   const location = texts.find(
-    (text) => text !== title && text !== priceText && FACEBOOK_LOCATION_TEXT_RE.test(text),
+    (text) =>
+      text !== title &&
+      text !== priceText &&
+      FACEBOOK_LOCATION_TEXT_RE.test(text),
   );
   const description = extractFacebookDescriptionText(document);
 
@@ -841,7 +854,8 @@ export function extractFacebookItemData(
       if (
         !bestMatch ||
         match.score > bestMatch.score ||
-        (match.score === bestMatch.score && match.path.length < bestMatch.path.length)
+        (match.score === bestMatch.score &&
+          match.path.length < bestMatch.path.length)
       ) {
         bestMatch = match;
       }
@@ -1101,7 +1115,9 @@ export default async function fetchFacebookItems(
 
   const finalizeResults = (
     listings: FacebookListingDetails[],
-  ): FacebookListingDetails[] | UnstableListingBuckets<FacebookListingDetails> => {
+  ):
+    | FacebookListingDetails[]
+    | UnstableListingBuckets<FacebookListingDetails> => {
     if (!unstableMode.hideUnstableResults) {
       return listings.slice(0, MAX_ITEMS);
     }
@@ -1166,9 +1182,14 @@ export default async function fetchFacebookItems(
     throw err;
   }
 
-  const classification = classifyFacebookResponse(searchHtml, searchResponseUrl);
+  const classification = classifyFacebookResponse(
+    searchHtml,
+    searchResponseUrl,
+  );
   if (classification.authGated) {
-    console.warn("Facebook marketplace search redirected to login. Cookies may be expired.");
+    console.warn(
+      "Facebook marketplace search redirected to login. Cookies may be expired.",
+    );
     return finalizeResults([]);
   }
 
@@ -1204,7 +1225,8 @@ export default async function fetchFacebookItems(
   // Filter to only priced items (already done in parseFacebookAds)
   const pricedItems = items.filter(
     (item) =>
-      typeof item.listingPrice?.cents === "number" && item.listingPrice.cents >= 0,
+      typeof item.listingPrice?.cents === "number" &&
+      item.listingPrice.cents >= 0,
   );
 
   progressBar?.update(totalProgress);
@@ -1293,7 +1315,9 @@ export async function fetchFacebookItem(
 
   if (classification.authGated) {
     logExtractionMetrics(false, itemId);
-    console.warn(`Authentication failed for item ${itemId}. Cookies may be expired.`);
+    console.warn(
+      `Authentication failed for item ${itemId}. Cookies may be expired.`,
+    );
     return null;
   }
 
@@ -1301,7 +1325,9 @@ export async function fetchFacebookItem(
 
   if (classification.unavailable && !itemData) {
     logExtractionMetrics(false, itemId);
-    console.warn(`Item ${itemId} appears to be sold or removed from marketplace.`);
+    console.warn(
+      `Item ${itemId} appears to be sold or removed from marketplace.`,
+    );
     return null;
   }
 
@@ -1317,7 +1343,9 @@ export async function fetchFacebookItem(
     logExtractionMetrics(false, itemId);
 
     if (itemHtml.includes("This item has been sold")) {
-      console.warn(`Item ${itemId} appears to be sold or removed from marketplace.`);
+      console.warn(
+        `Item ${itemId} appears to be sold or removed from marketplace.`,
+      );
       return null;
     }
 

packages/core/src/scrapers/kijiji.ts

@@ -6,7 +6,6 @@ import type {
   UnstableListingBuckets,
   UnstableListingModeOptions,
 } from "../types/common";
-import { classifyUnstableListings } from "../utils/unstable";
 import {
   type CookieConfig,
   formatCookiesForHeader,
@@ -22,6 +21,7 @@ import {
   RateLimitError,
   ValidationError,
 } from "../utils/http";
+import { classifyUnstableListings } from "../utils/unstable";
 
 // Kijiji cookie configuration
 const KIJIJI_COOKIE_CONFIG: CookieConfig = {
@@ -203,11 +203,17 @@ const SORT_MAPPINGS: Record<string, string> = {
 };
 
 const LOCATION_SLUGS = Object.fromEntries(
-  Object.entries(LOCATION_MAPPINGS).map(([slug, id]) => [id, slug.replace(/\s+/g, "-")]),
+  Object.entries(LOCATION_MAPPINGS).map(([slug, id]) => [
+    id,
+    slug.replace(/\s+/g, "-"),
+  ]),
 ) as Record<number, string>;
 
 const CATEGORY_SLUGS = Object.fromEntries(
-  Object.entries(CATEGORY_MAPPINGS).map(([slug, id]) => [id, slug.replace(/\s+/g, "-")]),
+  Object.entries(CATEGORY_MAPPINGS).map(([slug, id]) => [
+    id,
+    slug.replace(/\s+/g, "-"),
+  ]),
 ) as Record<number, string>;
 
 // ----------------------------- Utilities -----------------------------
@@ -816,7 +822,10 @@ export default async function fetchKijijiItems(
       : undefined;
 
   // Set defaults for configuration
-  const finalSearchOptions: Omit<Required<SearchOptions>, "priceMin" | "priceMax"> & {
+  const finalSearchOptions: Omit<
+    Required<SearchOptions>,
+    "priceMin" | "priceMax"
+  > & {
     priceMin?: number;
     priceMax?: number;
   } = {
@@ -903,7 +912,9 @@ export default async function fetchKijijiItems(
       const batchPromises = batch.map(async (link, batchIndex) => {
         try {
           if (batchIndex > 0) {
-            await new Promise((resolve) => setTimeout(resolve, DELAY_MS * batchIndex));
+            await new Promise((resolve) =>
+              setTimeout(resolve, DELAY_MS * batchIndex),
+            );
           }
 
           const html = await fetchHtml(link, 0, {
@@ -949,7 +960,6 @@ export default async function fetchKijijiItems(
       if (i + CONCURRENT_REQUESTS < newListingLinks.length) {
         await new Promise((resolve) => setTimeout(resolve, DELAY_MS));
       }
-
     }
 
     allListings.push(
@@ -968,9 +978,7 @@ export default async function fetchKijijiItems(
     matchesPriceFilters(listing, finalSearchOptions),
   );
 
-  console.log(
-    `\nParsed ${filteredListings.length} detailed listings.`,
-  );
+  console.log(`\nParsed ${filteredListings.length} detailed listings.`);
   return finalizeResults(filteredListings);
 }
 

packages/core/test/ebay-core.test.ts

@@ -136,7 +136,9 @@ describe("eBay Scraper Cookie Handling", () => {
 
     expect(results).toHaveLength(1);
     expect(results[0]).toEqual(
-      expect.objectContaining({ url: "https://www.ebay.ca/itm/123?_trkparms=foo" }),
+      expect.objectContaining({
+        url: "https://www.ebay.ca/itm/123?_trkparms=foo",
+      }),
     );
   });
 
@@ -229,7 +231,10 @@ describe("eBay Scraper Cookie Handling", () => {
 
     expect(results).toEqual([
       expect.objectContaining({
-        listingPrice: expect.objectContaining({ currency: "USD", cents: 12345 }),
+        listingPrice: expect.objectContaining({
+          currency: "USD",
+          cents: 12345,
+        }),
       }),
     ]);
   });
@@ -255,7 +260,10 @@ describe("eBay Scraper Cookie Handling", () => {
 
     expect(results).toEqual([
       expect.objectContaining({
-        listingPrice: expect.objectContaining({ currency: "USD", cents: 12345 }),
+        listingPrice: expect.objectContaining({
+          currency: "USD",
+          cents: 12345,
+        }),
       }),
     ]);
   });
@@ -281,7 +289,10 @@ describe("eBay Scraper Cookie Handling", () => {
 
     expect(results).toEqual([
       expect.objectContaining({
-        listingPrice: expect.objectContaining({ currency: "GBP", cents: 12345 }),
+        listingPrice: expect.objectContaining({
+          currency: "GBP",
+          cents: 12345,
+        }),
       }),
     ]);
   });
@@ -314,10 +325,16 @@ describe("eBay Scraper Cookie Handling", () => {
 
     expect(results).toEqual([
       expect.objectContaining({
-        listingPrice: expect.objectContaining({ currency: "EUR", cents: 12345 }),
+        listingPrice: expect.objectContaining({
+          currency: "EUR",
+          cents: 12345,
+        }),
       }),
       expect.objectContaining({
-        listingPrice: expect.objectContaining({ currency: "JPY", cents: 12300 }),
+        listingPrice: expect.objectContaining({
+          currency: "JPY",
+          cents: 12300,
+        }),
       }),
     ]);
   });

packages/core/test/facebook-core.test.ts

@@ -2,13 +2,13 @@ import { afterEach, beforeEach, describe, expect, mock, test } from "bun:test";
 import cliProgress from "cli-progress";
 import {
   classifyFacebookResponse,
-  type FacebookListingDetails,
   ensureFacebookCookies,
   extractFacebookBootstrapCandidates,
   extractFacebookItemData,
   extractFacebookMarketplaceData,
-  default as fetchFacebookItems,
+  type FacebookListingDetails,
   fetchFacebookItem,
+  default as fetchFacebookItems,
   parseFacebookAds,
   parseFacebookCookieString,
   parseFacebookItem,
@@ -30,9 +30,13 @@ type IsExact<T, U> =
 const getDefaultFacebookItems = async () => fetchFacebookItems("chair");
 const getUnstableFacebookItems = async (): Promise<
   UnstableListingBuckets<FacebookListingDetails>
-> => fetchFacebookItems("chair", 1, "toronto", 25, { hideUnstableResults: true });
+> =>
+  fetchFacebookItems("chair", 1, "toronto", 25, { hideUnstableResults: true });
 type _FacebookDefaultReturn = Assert<
-  IsExact<Awaited<ReturnType<typeof getDefaultFacebookItems>>, FacebookListingDetails[]>
+  IsExact<
+    Awaited<ReturnType<typeof getDefaultFacebookItems>>,
+    FacebookListingDetails[]
+  >
 >;
 type _FacebookUnstableReturn = Assert<
   IsExact<
@@ -533,7 +537,8 @@ describe("Facebook Marketplace Scraper Core Tests", () => {
     });
 
     test("returns an array by default", async () => {
-      const mockSearchHtml = `<html><body><script>"XCometMarketplaceSearchController"</script><script>${JSON.stringify({
+      const mockSearchHtml = `<html><body><script>"XCometMarketplaceSearchController"</script><script>${JSON.stringify(
+        {
           payload: {
             resultGroups: [
               {
@@ -556,7 +561,8 @@ describe("Facebook Marketplace Scraper Core Tests", () => {
               },
             ],
           },
-      })}</script></body></html>`;
+        },
+      )}</script></body></html>`;
 
       global.fetch = mock(() =>
         Promise.resolve({
@@ -576,7 +582,8 @@ describe("Facebook Marketplace Scraper Core Tests", () => {
     });
 
     test("preserves free listings through the public fetch entrypoint", async () => {
-      const mockSearchHtml = `<html><body><script>"XCometMarketplaceSearchController"</script><script>${JSON.stringify({
+      const mockSearchHtml = `<html><body><script>"XCometMarketplaceSearchController"</script><script>${JSON.stringify(
+        {
           payload: {
             resultGroups: [
               {
@@ -599,7 +606,8 @@ describe("Facebook Marketplace Scraper Core Tests", () => {
               },
             ],
           },
-      })}</script></body></html>`;
+        },
+      )}</script></body></html>`;
 
       global.fetch = mock(() =>
         Promise.resolve({
@@ -626,7 +634,8 @@ describe("Facebook Marketplace Scraper Core Tests", () => {
     });
 
     test("does not start a progress bar when stdout is not a TTY", async () => {
-      const mockSearchHtml = `<html><body><script>"XCometMarketplaceSearchController"</script><script>${JSON.stringify({
+      const mockSearchHtml = `<html><body><script>"XCometMarketplaceSearchController"</script><script>${JSON.stringify(
+        {
           payload: {
             resultGroups: [
               {
@@ -649,7 +658,8 @@ describe("Facebook Marketplace Scraper Core Tests", () => {
               },
             ],
           },
-      })}</script></body></html>`;
+        },
+      )}</script></body></html>`;
 
       process.stdout.isTTY = false;
       const startSpy = mock(() => {});
@@ -688,7 +698,8 @@ describe("Facebook Marketplace Scraper Core Tests", () => {
     });
 
     test("returns results and unstableResults when unstable mode is enabled", async () => {
-      const mockSearchHtml = `<html><body><script>"XCometMarketplaceSearchController"</script><script>${JSON.stringify({
+      const mockSearchHtml = `<html><body><script>"XCometMarketplaceSearchController"</script><script>${JSON.stringify(
+        {
           payload: {
             resultGroups: [
               {
@@ -739,7 +750,8 @@ describe("Facebook Marketplace Scraper Core Tests", () => {
               },
             ],
           },
-      })}</script></body></html>`;
+        },
+      )}</script></body></html>`;
 
       global.fetch = mock(() =>
         Promise.resolve({
@@ -768,7 +780,8 @@ describe("Facebook Marketplace Scraper Core Tests", () => {
     });
 
     test("unstable mode classifies before the final MAX_ITEMS limit", async () => {
-      const mockSearchHtml = `<html><body><script>"XCometMarketplaceSearchController"</script><script>${JSON.stringify({
+      const mockSearchHtml = `<html><body><script>"XCometMarketplaceSearchController"</script><script>${JSON.stringify(
+        {
           payload: {
             resultGroups: [
               {
@@ -791,7 +804,8 @@ describe("Facebook Marketplace Scraper Core Tests", () => {
                     node: {
                       listing: {
                         id: "2",
-                      marketplace_listing_title: "Second Boundary Stable Chair",
+                        marketplace_listing_title:
+                          "Second Boundary Stable Chair",
                         listing_price: {
                           amount: "110.00",
                           formatted_amount: "CA$110",
@@ -819,7 +833,8 @@ describe("Facebook Marketplace Scraper Core Tests", () => {
               },
             ],
           },
-      })}</script></body></html>`;
+        },
+      )}</script></body></html>`;
 
       global.fetch = mock(() =>
         Promise.resolve({
@@ -869,7 +884,10 @@ describe("Facebook Marketplace Scraper Core Tests", () => {
                     },
                     redacted_description: { text: "Solid wood chair" },
                     location_text: { text: "Toronto, ON" },
-                    marketplace_listing_seller: { id: "seller-1", name: "Alex" },
+                    marketplace_listing_seller: {
+                      id: "seller-1",
+                      name: "Alex",
+                    },
                     condition: "USED",
                     is_live: true,
                   },

packages/core/test/facebook-integration.test.ts

@@ -1,5 +1,7 @@
 import { afterEach, beforeEach, describe, expect, mock, test } from "bun:test";
-import fetchFacebookItems, { fetchFacebookItem } from "../src/scrapers/facebook";
+import fetchFacebookItems, {
+  fetchFacebookItem,
+} from "../src/scrapers/facebook";
 
 // Mock fetch globally
 const originalFetch = global.fetch;
@@ -27,7 +29,8 @@ describe("Facebook Marketplace Scraper Integration Tests", () => {
 
   describe("Main Search Function", () => {
     test("should successfully fetch search results", async () => {
-      const mockSearchHtml = `<html><body><script>"XCometMarketplaceSearchController"</script><script>${JSON.stringify({
+      const mockSearchHtml = `<html><body><script>"XCometMarketplaceSearchController"</script><script>${JSON.stringify(
+        {
           payload: {
             resultGroups: [
               {
@@ -55,7 +58,8 @@ describe("Facebook Marketplace Scraper Integration Tests", () => {
               },
             ],
           },
-      })}</script></body></html>`;
+        },
+      )}</script></body></html>`;
 
       global.fetch = mock(() =>
         Promise.resolve({

packages/core/test/kijiji-core.test.ts

@@ -1,12 +1,12 @@
 import { afterEach, beforeEach, describe, expect, mock, test } from "bun:test";
 import {
   buildSearchUrl,
-  default as fetchKijijiItems,
   type DetailedListing,
+  default as fetchKijijiItems,
   NetworkError,
-  parseSearch,
-  parseDetailedListing,
   ParseError,
+  parseDetailedListing,
+  parseSearch,
   RateLimitError,
   resolveCategoryId,
   resolveLocationId,
@@ -282,7 +282,8 @@ describe("fetchKijijiItems", () => {
       if (url.endsWith("/v-low/k0l0")) {
         return Promise.resolve({
           ok: true,
-          text: () => Promise.resolve(listingHtml("Low Listing", 7000, "v-low/k0l0")),
+          text: () =>
+            Promise.resolve(listingHtml("Low Listing", 7000, "v-low/k0l0")),
           headers: { get: () => null },
           url,
         });
@@ -291,7 +292,8 @@ describe("fetchKijijiItems", () => {
       if (url.endsWith("/v-mid/k0l0")) {
         return Promise.resolve({
           ok: true,
-          text: () => Promise.resolve(listingHtml("Mid Listing", 9000, "v-mid/k0l0")),
+          text: () =>
+            Promise.resolve(listingHtml("Mid Listing", 9000, "v-mid/k0l0")),
           headers: { get: () => null },
           url,
         });
@@ -300,7 +302,8 @@ describe("fetchKijijiItems", () => {
       if (url.endsWith("/v-high/k0l0")) {
         return Promise.resolve({
           ok: true,
-          text: () => Promise.resolve(listingHtml("High Listing", 12000, "v-high/k0l0")),
+          text: () =>
+            Promise.resolve(listingHtml("High Listing", 12000, "v-high/k0l0")),
           headers: { get: () => null },
           url,
         });
@@ -534,9 +537,18 @@ describe("fetchKijijiItems", () => {
             props: {
               pageProps: {
                 __APOLLO_STATE__: {
-                  "Listing:1": { url: "/v-stable-one/k0l0", title: "Stable Listing One" },
-                  "Listing:2": { url: "/v-stable-two/k0l0", title: "Stable Listing Two" },
-                  "Listing:3": { url: "/v-unstable/k0l0", title: "Unstable Listing" },
+                  "Listing:1": {
+                    url: "/v-stable-one/k0l0",
+                    title: "Stable Listing One",
+                  },
+                  "Listing:2": {
+                    url: "/v-stable-two/k0l0",
+                    title: "Stable Listing Two",
+                  },
+                  "Listing:3": {
+                    url: "/v-unstable/k0l0",
+                    title: "Unstable Listing",
+                  },
                 },
               },
             },
@@ -582,7 +594,10 @@ describe("fetchKijijiItems", () => {
       if (url.endsWith("/v-stable-one/k0l0")) {
         return Promise.resolve({
           ok: true,
-          text: () => Promise.resolve(listingHtml("Stable Listing One", 10000, "v-stable-one/k0l0")),
+          text: () =>
+            Promise.resolve(
+              listingHtml("Stable Listing One", 10000, "v-stable-one/k0l0"),
+            ),
           headers: { get: () => null },
           url,
         });
@@ -591,7 +606,10 @@ describe("fetchKijijiItems", () => {
       if (url.endsWith("/v-stable-two/k0l0")) {
         return Promise.resolve({
           ok: true,
-          text: () => Promise.resolve(listingHtml("Stable Listing Two", 11000, "v-stable-two/k0l0")),
+          text: () =>
+            Promise.resolve(
+              listingHtml("Stable Listing Two", 11000, "v-stable-two/k0l0"),
+            ),
           headers: { get: () => null },
           url,
         });
@@ -600,7 +618,10 @@ describe("fetchKijijiItems", () => {
       if (url.endsWith("/v-unstable/k0l0")) {
         return Promise.resolve({
           ok: true,
-          text: () => Promise.resolve(listingHtml("Unstable Listing", 7000, "v-unstable/k0l0")),
+          text: () =>
+            Promise.resolve(
+              listingHtml("Unstable Listing", 7000, "v-unstable/k0l0"),
+            ),
           headers: { get: () => null },
           url,
         });
@@ -635,10 +656,22 @@ describe("fetchKijijiItems", () => {
             props: {
               pageProps: {
                 __APOLLO_STATE__: {
-                  "Listing:1": { url: "/v-stable-one/k0l0", title: "Stable Listing One" },
-                  "Listing:2": { url: "/v-stable-two/k0l0", title: "Stable Listing Two" },
-                  "Listing:3": { url: "/v-out-of-range-high/k0l0", title: "Out Of Range High" },
-                  "Listing:4": { url: "/v-out-of-range-low/k0l0", title: "Out Of Range Low" },
+                  "Listing:1": {
+                    url: "/v-stable-one/k0l0",
+                    title: "Stable Listing One",
+                  },
+                  "Listing:2": {
+                    url: "/v-stable-two/k0l0",
+                    title: "Stable Listing Two",
+                  },
+                  "Listing:3": {
+                    url: "/v-out-of-range-high/k0l0",
+                    title: "Out Of Range High",
+                  },
+                  "Listing:4": {
+                    url: "/v-out-of-range-low/k0l0",
+                    title: "Out Of Range Low",
+                  },
                 },
               },
             },
@@ -672,7 +705,11 @@ describe("fetchKijijiItems", () => {
     global.fetch = mock((input: string | URL | Request) => {
       const url = typeof input === "string" ? input : input.toString();
 
-      if (url.includes("/k0c0l1700272") && url.includes("priceMin=80") && url.includes("priceMax=150")) {
+      if (
+        url.includes("/k0c0l1700272") &&
+        url.includes("priceMin=80") &&
+        url.includes("priceMax=150")
+      ) {
         return Promise.resolve({
           ok: true,
           text: () => Promise.resolve(searchHtml),
@@ -684,7 +721,10 @@ describe("fetchKijijiItems", () => {
       if (url.endsWith("/v-stable-one/k0l0")) {
         return Promise.resolve({
           ok: true,
-          text: () => Promise.resolve(listingHtml("Stable Listing One", 10000, "v-stable-one/k0l0")),
+          text: () =>
+            Promise.resolve(
+              listingHtml("Stable Listing One", 10000, "v-stable-one/k0l0"),
+            ),
           headers: { get: () => null },
           url,
         });
@@ -693,7 +733,10 @@ describe("fetchKijijiItems", () => {
       if (url.endsWith("/v-stable-two/k0l0")) {
         return Promise.resolve({
           ok: true,
-          text: () => Promise.resolve(listingHtml("Stable Listing Two", 11000, "v-stable-two/k0l0")),
+          text: () =>
+            Promise.resolve(
+              listingHtml("Stable Listing Two", 11000, "v-stable-two/k0l0"),
+            ),
           headers: { get: () => null },
           url,
         });
@@ -702,7 +745,14 @@ describe("fetchKijijiItems", () => {
       if (url.endsWith("/v-out-of-range-high/k0l0")) {
         return Promise.resolve({
           ok: true,
-          text: () => Promise.resolve(listingHtml("Out Of Range High", 20000, "v-out-of-range-high/k0l0")),
+          text: () =>
+            Promise.resolve(
+              listingHtml(
+                "Out Of Range High",
+                20000,
+                "v-out-of-range-high/k0l0",
+              ),
+            ),
           headers: { get: () => null },
           url,
         });
@@ -711,7 +761,10 @@ describe("fetchKijijiItems", () => {
       if (url.endsWith("/v-out-of-range-low/k0l0")) {
         return Promise.resolve({
           ok: true,
-          text: () => Promise.resolve(listingHtml("Out Of Range Low", 7000, "v-out-of-range-low/k0l0")),
+          text: () =>
+            Promise.resolve(
+              listingHtml("Out Of Range Low", 7000, "v-out-of-range-low/k0l0"),
+            ),
           headers: { get: () => null },
           url,
         });

packages/core/test/unstable-listing-mode.test.ts

@@ -31,8 +31,13 @@ describe("classifyUnstableListings", () => {
 
     const buckets = classifyUnstableListings(listings);
 
-    expect(buckets.results.map((listing) => listing.id)).toEqual(["stable-1", "stable-2"]);
-    expect(buckets.unstableResults.map((listing) => listing.id)).toEqual(["unstable"]);
+    expect(buckets.results.map((listing) => listing.id)).toEqual([
+      "stable-1",
+      "stable-2",
+    ]);
+    expect(buckets.unstableResults.map((listing) => listing.id)).toEqual([
+      "unstable",
+    ]);
   });
 
   test("uses the midpoint median for even-sized priced inputs", () => {
@@ -45,8 +50,14 @@ describe("classifyUnstableListings", () => {
 
     const buckets = classifyUnstableListings(listings);
 
-    expect(buckets.results.map((listing) => listing.id)).toEqual(["mid-low", "mid-high", "high"]);
-    expect(buckets.unstableResults.map((listing) => listing.id)).toEqual(["low"]);
+    expect(buckets.results.map((listing) => listing.id)).toEqual([
+      "mid-low",
+      "mid-high",
+      "high",
+    ]);
+    expect(buckets.unstableResults.map((listing) => listing.id)).toEqual([
+      "low",
+    ]);
   });
 
   test("keeps non-positive prices in results and excludes them from the median input", () => {
@@ -66,7 +77,9 @@ describe("classifyUnstableListings", () => {
       "stable-1",
       "stable-2",
     ]);
-    expect(buckets.unstableResults.map((listing) => listing.id)).toEqual(["unstable"]);
+    expect(buckets.unstableResults.map((listing) => listing.id)).toEqual([
+      "unstable",
+    ]);
   });
 
   test("returns all listings in results when fewer than two valid prices are present", () => {
@@ -78,7 +91,11 @@ describe("classifyUnstableListings", () => {
 
     const buckets = classifyUnstableListings(listings);
 
-    expect(buckets.results.map((listing) => listing.id)).toEqual(["zero", "negative", "only-valid"]);
+    expect(buckets.results.map((listing) => listing.id)).toEqual([
+      "zero",
+      "negative",
+      "only-valid",
+    ]);
     expect(buckets.unstableResults).toEqual([]);
   });
 });

packages/core/tsconfig.json

@@ -1,13 +1,9 @@
 {
+  "extends": "../../tsconfig.json",
   "compilerOptions": {
-    "lib": ["dom"],
-    "target": "ESNext",
-    "module": "ESNext",
-    "moduleResolution": "bundler",
     "paths": {
       "@/*": ["./src/*"]
-    },
-    "strict": true,
-    "noEmit": true
     }
+  },
+  "include": ["./src", "./test"]
 }

packages/mcp-server/package.json

@@ -2,18 +2,22 @@
   "name": "@marketplace-scrapers/mcp-server",
   "version": "1.0.0",
   "type": "module",
-  "module": "./src/index.ts",
+  "exports": {
+    ".": "./src/index.ts"
+  },
   "private": true,
   "scripts": {
     "start": "bun ./src/index.ts",
     "dev": "bun --watch ./src/index.ts",
-    "build": "bun build ./src/index.ts --target=bun --outdir=../../dist/mcp"
+    "build": "bun build ./src/index.ts --target=bun --outdir=../../dist/mcp",
+    "typecheck": "bun tsgo"
   },
   "dependencies": {
-    "@marketplace-scrapers/core": "workspace:*"
+    "@marketplace-scrapers/core": "workspace:*",
+    "@typescript/native-preview": "catalog:"
   },
   "devDependencies": {
-    "@types/bun": "latest"
+    "@types/bun": "catalog:"
   },
   "peerDependencies": {
     "typescript": "^5"

packages/mcp-server/test/protocol.test.ts

@@ -72,7 +72,10 @@ describe("MCP protocol unstableFilter", () => {
       const tool = tools.find((t) => t.name === toolName);
       expect(tool).toBeDefined();
       expect(tool?.inputSchema.properties).toHaveProperty("unstableFilter");
-      const prop = tool?.inputSchema.properties.unstableFilter as any;
+      const prop = tool?.inputSchema.properties.unstableFilter as {
+        type: string;
+        description: string;
+      };
       expect(prop.type).toBe("boolean");
       expect(prop.description).toContain("optional");
       expect(prop.description).toContain("20%");

packages/mcp-server/tsconfig.json

@@ -1,13 +1,9 @@
 {
+  "extends": "../../tsconfig.json",
   "compilerOptions": {
-    "lib": ["dom"],
-    "target": "ESNext",
-    "module": "ESNext",
-    "moduleResolution": "bundler",
     "paths": {
       "@/*": ["./src/*"]
-    },
-    "strict": true,
-    "noEmit": true
     }
+  },
+  "include": ["./src", "./test"]
 }

tsconfig.json

@@ -0,0 +1,24 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "@tsconfig/bun/tsconfig.json",
+  "compilerOptions": {
+    "lib": ["dom", "ESNext"],
+    "target": "ESNext",
+    "module": "preserve",
+    "moduleResolution": "bundler",
+    "strict": true,
+    "noEmit": true,
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}

turbo.json

@@ -0,0 +1,14 @@
+{
+  "$schema": "https://turbo.build/schema.json",
+  "tasks": {
+    "typecheck": {},
+    "build": {
+      "dependsOn": ["^build"],
+      "outputs": ["../../dist/**"]
+    },
+    "test": {
+      "dependsOn": ["^build"],
+      "outputs": []
+    }
+  }
+}