feat: add InBerlinWohnen provider

CLAUDE.md

@@ -82,7 +82,7 @@ scheduler (every N minutes) or manual trigger via POST /api/jobs/:id/run
 |---|---|---|
 | Event bus | `lib/services/events/event-bus.js` | Plain `EventEmitter`; events: `jobs:runAll`, `jobs:runOne`, `jobs:status` |
 | SSE broker | `lib/services/sse/sse-broker.js` | Per-userId `Set<ServerResponse>`; heartbeat every 25s; pushes job status to UI |
-| Similarity cache | `lib/services/similarity-check/` | In-memory SHA-256 Set; refreshes hourly; cross-provider dedup by title+price+address |
+| Similarity cache | `lib/services/similarity-check/` | In-memory SHA-256 Set; refreshes hourly; per-job cross-provider dedup by title+price+address |
 | SqliteConnection | `lib/services/storage/SqliteConnection.js` | Singleton, WAL mode; `execute()`, `query()`, `withTransaction()` |
 | Migrations | `lib/services/storage/migrations/` | Numbered JS files each exporting `up(db)`; checksum-tracked in `schema_migrations` |
 | Extractor | `lib/services/extractor/` | Orchestrates Puppeteer + Cheerio; shared browser instance per job |
@@ -117,4 +117,4 @@ Tools: `list_jobs`, `get_job`, `list_listings`, `get_listing`, `get_current_date
 - After building the task, run the tests
 - New features must be tested
 - New features must be properly documented with JsDoc
-- You do **not** commit any changes, you do **not** create a new branch unless I told you so
+- You do **not** commit any changes, you do **not** create a new branch unless I told you so

README.md

@@ -28,7 +28,7 @@
 Finding an apartment or house in Germany can be stressful and
 time-consuming.\
 **Fredy** makes it easier: it automatically scrapes **ImmoScout24,
-Immowelt, Immonet, eBay Kleinanzeigen, and WG-Gesucht** and notifies you
+Immowelt, Immonet, eBay Kleinanzeigen, WG-Gesucht, and InBerlinWohnen** and notifies you
 instantly via **Slack, Telegram, Email, ntfy, discord and more** when new
 listings appear.
 
@@ -41,7 +41,7 @@ same listing twice.
 ## ✨ Key Features
 
 -   🏠 Scrapes **ImmoScout24, Immowelt, Immonet, eBay Kleinanzeigen,
-    WG-Gesucht**
+    WG-Gesucht, InBerlinWohnen**
 -   ⚡ Instant notifications: Slack, Telegram, Email (SendGrid,
     Mailjet), ntfy, discord 
 -   🔎 Uses the **ImmoScout Mobile API** (reverse engineered)

lib/FredyPipelineExecutioner.js

@@ -86,7 +86,11 @@ class FredyPipelineExecutioner {
    */
   execute() {
     return Promise.resolve(urlModifier(this._providerConfig.url, this._providerConfig.sortByDateParam))
-      .then(this._providerConfig.getListings?.bind(this) ?? this._getListings.bind(this))
+      .then((url) =>
+        this._providerConfig.getListings
+          ? this._providerConfig.getListings.call(this, url, this._browser)
+          : this._getListings(url),
+      )
       .then(this._normalize.bind(this))
       .then(this._filter.bind(this))
       .then(this._findNew.bind(this))
@@ -439,6 +443,7 @@ class FredyPipelineExecutioner {
     const filteredIds = [];
     const keptListings = listings.filter((listing) => {
       const similar = this._similarityCache.checkAndAddEntry({
+        jobId: this._jobKey,
         title: listing.title,
         address: listing.address,
         price: listing.price,