feat: cache published ads data to avoid repetitive API calls during ad download (#809)

src/kleinanzeigen_bot/__init__.py

@@ -581,11 +581,7 @@ class KleinanzeigenBot(WebScrapingMixin):  # noqa: PLR0904
         dicts.save_commented_model(
             self.config_file_path,
             default_config,
-            header=(
-                "# yaml-language-server: $schema="
-                "https://raw.githubusercontent.com/Second-Hand-Friends/kleinanzeigen-bot"
-                "/main/schemas/config.schema.json"
-            ),
+            header = ("# yaml-language-server: $schema=https://raw.githubusercontent.com/Second-Hand-Friends/kleinanzeigen-bot/main/schemas/config.schema.json"),
             exclude = {"ad_defaults": {"description"}},
         )
 
@@ -2020,8 +2016,21 @@ class KleinanzeigenBot(WebScrapingMixin):  # noqa: PLR0904
         Determines which download mode was chosen with the arguments, and calls the specified download routine.
         This downloads either all, only unsaved (new), or specific ads given by ID.
         """
+        # Fetch published ads once from manage-ads JSON to avoid repetitive API calls during extraction
+        # Build lookup dict inline and pass directly to extractor (no cache abstraction needed)
+        LOG.info("Fetching published ads...")
+        published_ads = await self._fetch_published_ads()
+        published_ads_by_id:dict[int, dict[str, Any]] = {}
+        for published_ad in published_ads:
+            try:
+                ad_id = published_ad.get("id")
+                if ad_id is not None:
+                    published_ads_by_id[int(ad_id)] = published_ad
+            except (ValueError, TypeError):
+                LOG.warning("Skipping ad with non-numeric id: %s", published_ad.get("id"))
+        LOG.info("Loaded %s published ads.", len(published_ads_by_id))
 
-        ad_extractor = extract.AdExtractor(self.browser, self.config, self.installation_mode_or_portable)
+        ad_extractor = extract.AdExtractor(self.browser, self.config, self.installation_mode_or_portable, published_ads_by_id = published_ads_by_id)
 
         # use relevant download routine
         if self.ads_selector in {"all", "new"}:  # explore ads overview for these two modes