From 48177f18751ae0ec4c545f1c4d277f7ee8a525ab Mon Sep 17 00:00:00 2001
From: Etan Joseph Heyman <etan@heyman.net>
Date: Wed, 27 May 2026 01:43:02 +0300
Subject: [PATCH] fix(brainbar): title injection bursts from chunk content

---
 .../BrainBar/InjectionPresentation.swift      |  6 ++++-
 .../InjectionPresentationTests.swift          | 25 ++++++++++++++++++-
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/brain-bar/Sources/BrainBar/InjectionPresentation.swift b/brain-bar/Sources/BrainBar/InjectionPresentation.swift
index 880e165..b98df54 100644
--- a/brain-bar/Sources/BrainBar/InjectionPresentation.swift
+++ b/brain-bar/Sources/BrainBar/InjectionPresentation.swift
@@ -36,8 +36,12 @@ struct InjectionPresentation {
         var tokenCount: Int { events.reduce(0) { $0 + $1.tokenCount } }
 
         var summaryTitle: String {
+            if let chunkTitle = InjectionPresentation.previewChunks(for: events, limit: 1).first?.displayText,
+               !chunkTitle.isEmpty {
+                return chunkTitle
+            }
             let chunkNoun = chunkCount == 1 ? "chunk" : "chunks"
-            return "\(chunkCount) \(chunkNoun) injected from \"\(topicOrSource)\""
+            return "\(chunkCount) \(chunkNoun) injected"
         }
 
         var chunkPreviewIDs: [String] {
diff --git a/brain-bar/Tests/BrainBarTests/InjectionPresentationTests.swift b/brain-bar/Tests/BrainBarTests/InjectionPresentationTests.swift
index f60fb00..5b54b06 100644
--- a/brain-bar/Tests/BrainBarTests/InjectionPresentationTests.swift
+++ b/brain-bar/Tests/BrainBarTests/InjectionPresentationTests.swift
@@ -80,12 +80,35 @@ final class InjectionPresentationTests: XCTestCase {
         XCTAssertEqual(snapshot.bursts.count, 1)
         XCTAssertEqual(snapshot.bursts[0].sessionID, "brain-c7a8")
         XCTAssertEqual(snapshot.bursts[0].topicOrSource, "auth refactor")
-        XCTAssertEqual(snapshot.bursts[0].summaryTitle, "5 chunks injected from \"auth refactor\"")
+        XCTAssertEqual(snapshot.bursts[0].summaryTitle, "5 chunks injected")
         XCTAssertEqual(snapshot.bursts[0].events.map(\.id), [1, 2, 3, 4, 5])
         XCTAssertEqual(snapshot.bursts[0].chunkPreviewIDs, ["chunk-1", "chunk-2"])
         XCTAssertEqual(snapshot.bursts[0].remainingChunkCount(after: 2), 3)
     }
 
+    func testBurstSummaryTitleUsesChunkContentInsteadOfSourcePrompt() {
+        let now = isoDate("2026-04-18T10:00:00Z")
+        let event = makeEvent(
+            id: 1,
+            sessionID: "sess-a",
+            timestamp: "2026-04-18T09:58:00Z",
+            query: "[orc gen-7 s:1 — researchLead monitor v2 — prompts-deliverable workflow]",
+            chunkIDs: ["chunk-1"],
+            tokenCount: 10,
+            chunks: [
+                makeChunk(id: "chunk-1", content: "Coverage moved to terminal-status semantics after the dashboard fix")
+            ]
+        )
+
+        let snapshot = InjectionPresentation.snapshot(events: [event], filterText: "", now: now)
+
+        XCTAssertEqual(
+            snapshot.bursts[0].summaryTitle,
+            "Coverage moved to terminal-status semantics after the dashboard fix"
+        )
+        XCTAssertEqual(snapshot.bursts[0].topicOrSource, event.query)
+    }
+
     func testBurstAggregationSplitsDifferentSessions() {
         let now = isoDate("2026-04-18T10:00:00Z")
         let events = [