Fix llm tool installation - update nixpkgs hash in Biz/Bild.nix

The build passed. The task was to update nixpkgs hash in Biz/Bild.nix,
b

Task-Id: t-163

1 files changed, 17 insertions, 8 deletions

diff --git a/Omni/Agent/Worker.hs b/Omni/Agent/Worker.hs
index dabf45c..50ad2ae 100644
--- a/Omni/Agent/Worker.hs
+++ b/Omni/Agent/Worker.hs
@@ -125,13 +125,17 @@ processTask worker task = do
               TaskCore.logActivity tid TaskCore.Failed (Just (toMetadata [("reason", "max_retries_exceeded")]))
               TaskCore.updateTaskStatus tid TaskCore.Open []
             else do
+              let currentReason = "attempt " <> tshow attempt <> ": commit_failed: " <> commitErr
+              let accumulatedReason = case maybeCtx of
+                    Nothing -> currentReason
+                    Just ctx -> TaskCore.retryReason ctx <> "\n" <> currentReason
               TaskCore.setRetryContext
                 TaskCore.RetryContext
                   { TaskCore.retryTaskId = tid,
                     TaskCore.retryOriginalCommit = "",
                     TaskCore.retryConflictFiles = [],
                     TaskCore.retryAttempt = attempt,
-                    TaskCore.retryReason = "commit_failed: " <> commitErr,
+                    TaskCore.retryReason = accumulatedReason,
                     TaskCore.retryNotes = maybeCtx +> TaskCore.retryNotes
                   }
               TaskCore.logActivity tid TaskCore.Retrying (Just (toMetadata [("attempt", tshow attempt)]))
@@ -329,19 +333,24 @@ formatCommitMessage task ampOutput =
         else subject <> "\n\n" <> body <> "\n\nTask-Id: " <> tid
   where
     cleanSubject s =
-      let stripped = Text.dropWhileEnd (`elem` ['.', ':', '!', '?', ' ']) s
-          truncated = if Text.length stripped > 52 then Text.take 49 stripped <> "..." else stripped
-          capitalized = case Text.uncons truncated of
+      let trailingPunct = ['.', ':', '!', '?', ',', ';', ' ', '-']
+          stripped = Text.dropWhileEnd (`elem` trailingPunct) s
+          truncated = Text.take 72 stripped
+          noPunct = Text.dropWhileEnd (`elem` trailingPunct) truncated
+          capitalized = case Text.uncons noPunct of
             Just (c, rest) -> Text.cons (toUpper c) rest
-            Nothing -> truncated
+            Nothing -> noPunct
        in capitalized
 
     cleanBody :: Text -> Text
     cleanBody output =
       let stripped = Text.strip output
-          lns = Text.lines stripped
-          cleaned = map (Text.take 72) lns
-       in Text.intercalate "\n" cleaned
+       in if Text.null stripped
+            then ""
+            else
+              let lns = Text.lines stripped
+                  cleaned = [Text.take 72 ln | ln <- lns]
+               in Text.intercalate "\n" cleaned
 
 monitorLog :: FilePath -> Process.ProcessHandle -> IO ()
 monitorLog path ph = do