test(web): pin the remaining markdown fixture's event times

Master stabilized two of the three hand-built markdown fixtures by spacing
their event times, so the stats line's LLM segment stops depending on how fast
the replay ran. `markdown-images` was left on the old shape and kept failing
for exactly that reason — a different test each run, always the same one-line
difference.

Pin it the same way and record the segment its golden now always shows. This
supersedes the normalizer that dropped those segments outright, reverted here:
pinning the fixture keeps a real part of the page in the goldens instead of
hiding it from every one of them, and master's two goldens already record it.

apps/web/tests/markdown-images.e2e.ts

@@ -83,6 +83,7 @@ async function stopServer(server: Server): Promise<void> {
 /** Build one closed, invariant-checked session fixture with remote and local image Markdown. */
 function markdownImageFixture(remoteUrl: string): string {
   const session = Session.create(SessionId('markdown-image-source'))
+  const eventTimeOrigin = new Date().setHours(12, 0, 0, 0)
   session.append('turn/start', { turn: 1 })
   const user = session.append('user/message', createUserMessage({
     content: [{ type: 'text', text: 'Show the Markdown image policy.' }],
@@ -126,7 +127,14 @@ function markdownImageFixture(remoteUrl: string): string {
   }
   return [
     JSON.stringify(header),
-    ...session.events.map(event => JSON.stringify(event)),
+    // Spaced event times, exactly as the sibling markdown fixtures pin them:
+    // the stats line renders its LLM segment only while the step's measured
+    // milliseconds exceed zero, so a fixture that leaves the times unset lets
+    // the replay's own speed decide whether the golden matches.
+    ...session.events.map(event => JSON.stringify({
+      ...event,
+      time: eventTimeOrigin + event.seq * 1_000,
+    })),
     '',
   ].join('\n')
 }

apps/web/tests/scaffold.ts

@@ -533,24 +533,13 @@ export async function seedSession(scaffold: WebScaffold, fixtureText: string, id
 
 /**
  * Normalize an aria snapshot: uuid, cwd, workspace-basename, duration, and
- * decode-throughput volatility collapse to stable tokens, and the stats line's
+ * decode-throughput volatility collapse to stable tokens.
- * wall-clock-gated segments drop out entirely.
  *
  * Throughput needs a token for the same reason durations do, and no fixture
  * can supply one: the figure divides a replayed step's output tokens by the
  * wall time the local run took to stream them, so it moves between two runs
  * on one machine (measured 69 → 70 tok/s) and swings wildly on a fast replay
  * (26333 tok/s for a 3 ms stream).
- *
- * Tokenizing those values is not enough, because `StatsLine` renders each such
- * segment only while its measurement exceeds zero (`llmMs`, `toolMs`, and
- * `decodeMs` all gate on `> 0`). A replay that finishes a step inside one
- * millisecond therefore omits the segment a slower machine keeps, and the
- * golden would record how fast the recording machine was rather than what the
- * page shows: goldens recorded across this suite disagree on the `LLM` segment
- * for exactly that reason, and CI failed on whichever test happened to run on
- * a slow enough runner. Dropping the segments makes presence stop deciding.
- * `TTFT avg` stays: it gates on a step count the fixture determines.
  */
 function normalizeAria(snapshot: string, workspaceCwd: string): string {
   // The session heading renders the workspace's basename, not the full
@@ -571,13 +560,6 @@ function normalizeAria(snapshot: string, workspaceCwd: string): string {
       duration => duration.startsWith('约') ? duration : '{{duration}}',
     )
     .replace(/\d+(?:\.\d+)?(?= tok\/s(?!\w))/g, '{{throughput}}')
-    // Each removal takes one adjacent separator with it, so nothing is left
-    // holding a dangling `·` or a doubled space: a segment followed by its
-    // intra-group separator loses that, and one ending its group loses the
-    // space in front of it instead.
-    .replace(/(?:LLM|Tool call|工具调用) \{\{duration\}\} · /g, '')
-    .replace(/ (?:LLM|Tool call|工具调用) \{\{duration\}\}/g, '')
-    .replace(/ (?:· )?\{\{throughput\}\} tok\/s/g, '')
     // Message IconActions clocks widen by calendar day/year; collapse every
     // shape so goldens stay stable across midnight and year boundaries.
     .replace(/\d{4}年\d{1,2}月\d{1,2}日 \d{2}:\d{2}/g, '{{clock}}')

apps/web/tests/snapshots/bash-abort-row/ui.expected.md

@@ -30,4 +30,4 @@
   - text: Select model
   - img
 - button "Send message" [disabled]
-- text: 1 turns · 1 steps TTFT avg {{duration}} Cache hit 0% Input 10 tok · Output 10 tok
+- text: 1 turns · 1 steps LLM {{duration}} · Tool call {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 0% Input 10 tok · Output 10 tok

apps/web/tests/snapshots/code-mode-round/ui.expected.md

@@ -36,7 +36,7 @@
   - img
 - button "Branch into a new conversation":
   - img
-- text: {{clock}} Ran for {{duration}} TTFT {{duration}}
+- text: {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s
 - textbox "Message the agent"
 - button "Commands":
   - img
@@ -46,4 +46,4 @@
   - img
 - button "7% of context used"
 - button "Send message" [disabled]
-- text: 1 turns · 2 steps TTFT avg {{duration}} Cache hit 52% Input 17.2K tok · Output 252 tok
+- text: 1 turns · 2 steps LLM {{duration}} · Tool call {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 52% Input 17.2K tok · Output 252 tok

apps/web/tests/snapshots/cordis-tool-round/ui.expected.md

@@ -51,7 +51,7 @@
   - img
 - button "Branch into a new conversation":
   - img
-- text: {{clock}} Ran for {{duration}} TTFT {{duration}}
+- text: {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s
 - textbox "Message the agent"
 - button "Commands":
   - img
@@ -61,4 +61,4 @@
   - img
 - button "13% of context used"
 - button "Send message" [disabled]
-- text: 1 turns · 4 steps TTFT avg {{duration}} Cache hit 77% Input 66.5K tok · Output 312 tok
+- text: 1 turns · 4 steps LLM {{duration}} · Tool call {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 77% Input 66.5K tok · Output 312 tok

apps/web/tests/snapshots/fresh-round-trip/ui.expected.md

@@ -31,7 +31,7 @@
   - img
 - button "Branch into a new conversation":
   - img
-- text: {{clock}} Ran for {{duration}} TTFT {{duration}}
+- text: {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s
 - textbox "Message the agent"
 - button "Commands":
   - img
@@ -41,4 +41,4 @@
   - img
 - button "6% of context used"
 - button "Send message" [disabled]
-- text: 1 turns · 2 steps TTFT avg {{duration}} Cache hit 99% Input 15.7K tok · Output 111 tok
+- text: 1 turns · 2 steps LLM {{duration}} · Tool call {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 99% Input 15.7K tok · Output 111 tok

apps/web/tests/snapshots/lifecycle-chrome/reloaded.expected.md

@@ -23,7 +23,7 @@
   - img
 - button "Branch into a new conversation":
   - img
-- text: {{clock}} Ran for {{duration}} TTFT {{duration}}
+- text: {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s
 - textbox "Message the agent"
 - button "Commands":
   - img
@@ -33,4 +33,4 @@
   - img
 - button "6% of context used"
 - button "Send message" [disabled]
-- text: 1 turns · 1 steps TTFT avg {{duration}} Cache hit 99% Input 7.8K tok · Output 21 tok
+- text: 1 turns · 1 steps LLM {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 99% Input 7.8K tok · Output 21 tok

apps/web/tests/snapshots/live-interactions/retry.expected.md

@@ -25,7 +25,7 @@
   - img
 - button "Branch into a new conversation":
   - img
-- text: {{clock}} Ran for {{duration}} TTFT {{duration}}
+- text: {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s
 - textbox "Message the agent"
 - button "Commands":
   - img
@@ -35,4 +35,4 @@
   - img
 - button "6% of context used"
 - button "Send message" [disabled]
-- text: 1 turns · 1 steps TTFT avg {{duration}} Cache hit 99% Input 7.8K tok · Output 79 tok
+- text: 1 turns · 1 steps LLM {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 99% Input 7.8K tok · Output 79 tok

apps/web/tests/snapshots/markdown-images/ui.expected.md

@@ -28,4 +28,4 @@
   - text: Select model
   - img
 - button "Send message" [disabled]
-- text: 1 turns · 1 steps Input 0 tok · Output 0 tok
+- text: 1 turns · 1 steps LLM {{duration}} Input 0 tok · Output 0 tok

apps/web/tests/snapshots/math-rendering/ui.expected.md

@@ -44,4 +44,4 @@
   - text: Select model
   - img
 - button "Send message" [disabled]
-- text: 1 turns · 1 steps Input 0 tok · Output 0 tok
+- text: 1 turns · 1 steps LLM {{duration}} Input 0 tok · Output 0 tok

apps/web/tests/snapshots/message-actions/ui.expected.md

@@ -20,7 +20,7 @@
   - img
 - button "Branch into a new conversation" [disabled]:
   - img
-- text: Available only on the last message of a completed turn 7/25 {{clock}} Ran for {{duration}} TTFT {{duration}}
+- text: Available only on the last message of a completed turn 7/25 {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s
 - button "Read a.txt":
   - img
   - img
@@ -55,4 +55,4 @@
   - text: Select model
   - img
 - button "Send message" [disabled]
-- text: 2 turns · 3 steps TTFT avg {{duration}} Cache hit 98% Input 7.8K tok · Output 103 tok
+- text: 2 turns · 3 steps LLM {{duration}} · Tool call {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 98% Input 7.8K tok · Output 103 tok

apps/web/tests/snapshots/plan-review/approved.expected.md

@@ -36,7 +36,7 @@
   - img
 - button "Branch into a new conversation":
   - img
-- text: {{clock}} Ran for {{duration}} TTFT {{duration}}
+- text: {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s
 - textbox "Message the agent"
 - button "Commands":
   - img
@@ -46,4 +46,4 @@
   - img
 - button "4% of context used"
 - button "Send message" [disabled]
-- text: 1 turns · 2 steps TTFT avg {{duration}} Cache hit 51% Input 10.2K tok · Output 346 tok
+- text: 1 turns · 2 steps LLM {{duration}} · Tool call {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 51% Input 10.2K tok · Output 346 tok

apps/web/tests/snapshots/question-composer/answered.expected.md

@@ -31,7 +31,7 @@
   - img
 - button "Branch into a new conversation":
   - img
-- text: {{clock}} Ran for {{duration}} TTFT {{duration}}
+- text: {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s
 - textbox "Message the agent"
 - button "Commands":
   - img
@@ -41,4 +41,4 @@
   - img
 - button "3% of context used"
 - button "Send message" [disabled]
-- text: 1 turns · 2 steps TTFT avg {{duration}} Cache hit 95% Input 8.6K tok · Output 180 tok
+- text: 1 turns · 2 steps LLM {{duration}} · Tool call {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 95% Input 8.6K tok · Output 180 tok

apps/web/tests/snapshots/seeded-history/command-row.expected.md

@@ -33,7 +33,7 @@
   - img
 - button "Branch into a new conversation":
   - img
-- text: 7/25 {{clock}} Ran for {{duration}} TTFT {{duration}}
+- text: 7/25 {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s
 - button "Context compacted View compaction summary":
   - img
   - text: Context compacted View compaction summary
@@ -51,4 +51,4 @@
   - text: Select model
   - img
 - button "Send message" [disabled]
-- text: 1 turns · 2 steps TTFT avg {{duration}} Cache hit 98% Input 15.8K tok · Output 135 tok
+- text: 1 turns · 2 steps LLM {{duration}} · Tool call {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 98% Input 15.8K tok · Output 135 tok

apps/web/tests/snapshots/seeded-history/ui.expected.md

@@ -33,7 +33,7 @@
   - img
 - button "Branch into a new conversation":
   - img
-- text: 7/25 {{clock}} Ran for {{duration}} TTFT {{duration}}
+- text: 7/25 {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s
 - button "Context compacted View compaction summary":
   - img
   - text: Context compacted View compaction summary
@@ -49,4 +49,4 @@
   - text: Select model
   - img
 - button "Send message" [disabled]
-- text: 1 turns · 2 steps TTFT avg {{duration}} Cache hit 98% Input 15.8K tok · Output 135 tok
+- text: 1 turns · 2 steps LLM {{duration}} · Tool call {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 98% Input 15.8K tok · Output 135 tok

apps/web/tests/snapshots/steering/settled.expected.md

@@ -37,7 +37,7 @@
   - img
 - button "Branch into a new conversation":
   - img
-- text: {{clock}} Ran for {{duration}} TTFT {{duration}}
+- text: {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s
 - textbox "Message the agent"
 - button "Commands":
   - img
@@ -47,4 +47,4 @@
   - img
 - button "6% of context used"
 - button "Send message" [disabled]
-- text: 1 turns · 2 steps TTFT avg {{duration}} Cache hit 98% Input 15.8K tok · Output 156 tok
+- text: 1 turns · 2 steps LLM {{duration}} · Tool call {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 98% Input 15.8K tok · Output 156 tok

apps/web/tests/snapshots/subagent-conversation/ui.expected.md

@@ -28,7 +28,7 @@
   - img
 - button "Branch into a new conversation":
   - img
-- text: {{clock}} Ran for {{duration}} TTFT {{duration}} Now give the same explanation to a human reader. {{clock}}
+- text: {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s Now give the same explanation to a human reader. {{clock}}
 - button "Copy":
   - img
 - button "Branch into a new conversation" [disabled]:
@@ -43,11 +43,11 @@
   - img
 - button "Branch into a new conversation":
   - img
-- text: {{clock}} Ran for {{duration}} TTFT {{duration}}
+- text: {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s
 - textbox "Message the agent"
 - button "Commands":
   - img
 - 'button "Access mode, current: Workspace Write"': Workspace Write
 - button "6% of context used"
 - button "Send message" [disabled]
-- text: 2 turns · 2 steps TTFT avg {{duration}} Cache hit 99% Input 15.6K tok · Output 158 tok
+- text: 2 turns · 2 steps LLM {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 99% Input 15.6K tok · Output 158 tok

apps/web/tests/snapshots/web-search-round/ui.expected.md

@@ -23,7 +23,7 @@
   - img
 - button "Branch into a new conversation":
   - img
-- text: {{clock}} Ran for {{duration}} TTFT {{duration}}
+- text: {{clock}} Ran for {{duration}} TTFT {{duration}} {{throughput}} tok/s
 - textbox "Message the agent"
 - button "Commands":
   - img
@@ -33,4 +33,4 @@
   - img
 - button "0% of context used"
 - button "Send message" [disabled]
-- text: 1 turns · 2 steps TTFT avg {{duration}} Cache hit 0% Input 22 tok · Output 7 tok
+- text: 1 turns · 2 steps LLM {{duration}} · Tool call {{duration}} TTFT avg {{duration}} · {{throughput}} tok/s Cache hit 0% Input 22 tok · Output 7 tok