fix: dep check — trust closed state, drop merged-PR search

The merged-PR search was over-engineered and caused false negatives
(couldn't match PR to issue when title/body didn't contain #NNN).
Issue closed = dep satisfied. Factory only closes after merging.

dev/dev-poll.sh

@@ -60,24 +60,10 @@ dep_is_merged() {
     return 1
   fi
 
-  # Check there's a merged PR for this issue.
-  # Strategy: search closed PRs for title/body containing "#NNN",
-  # OR check if a PR with the same number exists and is merged.
-  local has_merged
-  has_merged=$(curl -sf -H "Authorization: token ${CODEBERG_TOKEN}" \
-    "${API}/pulls?state=closed&limit=30" | \
-    jq -r --arg num "#${dep_num}" \
-    '[.[] | select(.merged == true) | select((.title | contains($num)) or (.body // "" | test("ixes " + $num + "\\b"; "i")))] | length')
-
-  if [ "${has_merged:-0}" -gt 0 ]; then
-    return 0
-  fi
-
-  # Fallback: check if PR with same number is merged (Codeberg uses shared numbering)
-  local same_pr_merged
-  same_pr_merged=$(curl -sf -H "Authorization: token ${CODEBERG_TOKEN}" \
-    "${API}/pulls/${dep_num}" 2>/dev/null | jq -r '.merged // false')
-  [ "$same_pr_merged" = "true" ]
+  # Issue closed = dep satisfied. The factory only closes issues after
+  # merging, so closed state is trustworthy. No need to hunt for the
+  # specific PR — that was over-engineering that caused false negatives.
+  return 0
 }
 
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