Add smart-import decision for importBlocked items before blocklisting

Most importBlocked downloads are junk/duplicates and still fall straight
through to blocklist+research unchanged. But some are releases arr already
correctly parsed (episode/movie, quality, language all known) that just
trip the title-vs-grab-history safety net — those get imported directly
if the target has no file yet, or the candidate is a same-language
resolution upgrade over what's already there. Sonarr/Radarr only; Lidarr's
manual-import matching doesn't reliably resolve album/track context.

Gated by ARR_SMART_IMPORT_ENABLED (default true) and
ARR_SMART_IMPORT_PREFERRED_LANGUAGE (default English).

Deployment/master.conf.template

@@ -1205,9 +1205,12 @@
 # Auto blocklist + re-search failed imports and stalled downloads.
 # Runs every 6 hours — schedule: 0 */6 * * *
 #
-# Targets four problem types:
+# Targets five problem types:
 #   importFailed   — downloaded but arr couldn't import
 #   importPending  — downloaded, stuck waiting to import (won't self-resolve)
+#   importBlocked  — arr matched the release by grab-history ID, not title, and
+#                    refuses to auto-import — gets a smart-import check first,
+#                    see ARR_SMART_IMPORT_ENABLED below
 #   error status   — serious failure not covered above
 #   stalled        — download stuck with no connections or progress
 #
@@ -1217,6 +1220,12 @@
                                         # matches cron interval — items eligible after one missed cycle
     ARR_RECOVERY_MAX_ATTEMPTS=3         # consecutive failures before an item is flagged chronic
                                         # and auto re-search stops (still blocklisted/cleaned up)
+    ARR_SMART_IMPORT_ENABLED=true       # importBlocked items: try importing a clean same-language
+                                        # upgrade/gap-fill directly before falling back to blocklist
+                                        # + re-search. Sonarr/Radarr only — see try_smart_import()
+    ARR_SMART_IMPORT_PREFERRED_LANGUAGE="English"  # only treated as a match/upgrade if the
+                                        # candidate is this language; an existing file in a
+                                        # different language is always considered upgradeable
 
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