diff --git a/oap-server/analyzer/ai-agent-conversation/src/test/java/org/apache/skywalking/oap/server/ai/agent/conversation/Fixtures.java b/oap-server/analyzer/ai-agent-conversation/src/test/java/org/apache/skywalking/oap/server/ai/agent/conversation/Fixtures.java
index 13682c0bed9e..63a148899ed6 100644
--- a/oap-server/analyzer/ai-agent-conversation/src/test/java/org/apache/skywalking/oap/server/ai/agent/conversation/Fixtures.java
+++ b/oap-server/analyzer/ai-agent-conversation/src/test/java/org/apache/skywalking/oap/server/ai/agent/conversation/Fixtures.java
@@ -47,7 +47,7 @@ public final class Fixtures {
         "meta-20260101T000000.000000000Z-000004.sd",
     };
     public static final String CHILD_STREAM = "a0a10ef0666c4dc7e";
-    public static final String ROUND_FILE = "r000001-231f2c85948d.sf";
+    public static final String ROUND_FILE = "r000001-befb6026a577.sf";
     public static final String VIEW_EXAMPLE_JSON = "asz-view-example.json";
 
     public static final String WORKSPACE_CHANGES_DIR = "workspace-changes/";
@@ -59,7 +59,7 @@ public final class Fixtures {
         "changes-20260101T000000.000000000Z-000004.sd",
         "meta-20260101T000000.000000000Z-000005.sd",
     };
-    public static final String WORKSPACE_CHANGES_ROUND_FILE = "r000001-02d62370b203.sf";
+    public static final String WORKSPACE_CHANGES_ROUND_FILE = "r000001-475193a5f44b.sf";
 
     private Fixtures() {
     }
diff --git a/oap-server/analyzer/ai-agent-conversation/src/test/java/org/apache/skywalking/oap/server/ai/agent/conversation/SessionFormatsTest.java b/oap-server/analyzer/ai-agent-conversation/src/test/java/org/apache/skywalking/oap/server/ai/agent/conversation/SessionFormatsTest.java
index 3baabd01f347..eb2db243644e 100644
--- a/oap-server/analyzer/ai-agent-conversation/src/test/java/org/apache/skywalking/oap/server/ai/agent/conversation/SessionFormatsTest.java
+++ b/oap-server/analyzer/ai-agent-conversation/src/test/java/org/apache/skywalking/oap/server/ai/agent/conversation/SessionFormatsTest.java
@@ -47,9 +47,9 @@ public void dataFilesDecodeAndTheirDigestsAreTheSessionizersDigests() throws Exc
         assertEquals(16, main.getRecords().size());
         assertEquals(16, main.getDeclaredRecords());
         assertEquals(18, main.getLines());
-        assertEquals(6076, main.getBytes());
+        assertEquals(5976, main.getBytes());
         // the digests asz conversation -json printed for the same files
-        assertEquals("42d5e0b19a8bbaae8d09eb8055548c20a8feac5cd2f342fa572a5bb3104e5632", main.getFileDigest());
+        assertEquals("667c3a32480190268901b2cf83f19087bed9bf44416dd900d0eb16cbab800580", main.getFileDigest());
         assertEquals("b7fc207afdc51b9c48e42af8524ea7a68e5e5f3b4c76b7d37dd765e2fe8145c5", files.get(2L).getFileDigest());
         assertEquals("fa5e9bb561d0bc6168382498e805829b2820141b57117db50f4894d474c3e486", files.get(3L).getFileDigest());
         assertEquals("62f019483e4d0c0d4d0f5f296bec63fbfae663479a2a78d83b45481bd8df7185", files.get(4L).getFileDigest());
@@ -93,7 +93,7 @@ public void roundDecodesAndItsCommitDigestVerifies() throws Exception {
         assertEquals(4, r.getHeader().getThroughSeq());
         assertEquals(45, r.getLines());
         assertEquals(43, r.getNodes().size() + r.getRelations().size() + r.getUnresolved().size());
-        assertEquals("231f2c85948d937902e75907c2b2f4b537c369a73e4847a6329b7a7a449b33bd", r.getCommitDigest());
+        assertEquals("befb6026a5776f481ed79bb59cc7ff0fbabd36db8e4d174156230ac3051d723d", r.getCommitDigest());
         assertEquals(Times.millis("2026-01-01T00:00:00Z"), Times.millis(r.getHeader().getSessionFromTime()));
     }
 
@@ -104,7 +104,7 @@ public void inputDigestChainsTheFileDigests() throws Exception {
         for (final SessionDataFile f : files.values()) {
             added.add(f.getFileDigest());
         }
-        assertEquals("f49b55a09ff0a37d36f3d3b62c7584dd03caecb5f0f3ffe32fba96d8849df0a8", Digests.chainInputDigest("", added));
+        assertEquals("ede3d4ca2b72ada8850407ebd46585d9306fd9448a767d170465b7847d833b9f", Digests.chainInputDigest("", added));
         assertEquals(Fixtures.round().getHeader().getInputDigest(), Digests.chainInputDigest("", added));
     }
 
diff --git a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/asz-view-example.json b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/asz-view-example.json
index 7ad605cde2fb..518de0b28484 100644
--- a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/asz-view-example.json
+++ b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/asz-view-example.json
@@ -7,7 +7,7 @@
   ],
   "head": {
     "round": 1,
-    "digest": "231f2c85948d937902e75907c2b2f4b537c369a73e4847a6329b7a7a449b33bd"
+    "digest": "befb6026a5776f481ed79bb59cc7ff0fbabd36db8e4d174156230ac3051d723d"
   },
   "parser": "v1",
   "policy": "v1+idle=10m0s",
@@ -61,11 +61,11 @@
   "rounds": [
     {
       "round": 1,
-      "digest": "231f2c85948d937902e75907c2b2f4b537c369a73e4847a6329b7a7a449b33bd",
+      "digest": "befb6026a5776f481ed79bb59cc7ff0fbabd36db8e4d174156230ac3051d723d",
       "previous": null,
       "from_seq": 1,
       "through_seq": 4,
-      "input_digest": "f49b55a09ff0a37d36f3d3b62c7584dd03caecb5f0f3ffe32fba96d8849df0a8",
+      "input_digest": "ede3d4ca2b72ada8850407ebd46585d9306fd9448a767d170465b7847d833b9f",
       "from_time": 1767225600000,
       "through_time": 1767225611100,
       "verified": true
@@ -81,8 +81,8 @@
       "stream": "main",
       "run": null,
       "lines": 18,
-      "bytes": 6076,
-      "digest": "42d5e0b19a8bbaae8d09eb8055548c20a8feac5cd2f342fa572a5bb3104e5632",
+      "bytes": 5976,
+      "digest": "667c3a32480190268901b2cf83f19087bed9bf44416dd900d0eb16cbab800580",
       "from_time": 1767225600000,
       "through_time": 1767225611100
     },
@@ -129,7 +129,7 @@
       "through_time": null
     },
     {
-      "file": "_conversations/00000001-0000-4000-8000-000000000001/rounds/r000001-231f2c85948d.sf",
+      "file": "_conversations/00000001-0000-4000-8000-000000000001/rounds/r000001-befb6026a577.sf",
       "format": "sf",
       "kind": "round",
       "seq": null,
@@ -137,8 +137,8 @@
       "stream": null,
       "run": null,
       "lines": 45,
-      "bytes": 10468,
-      "digest": "08eb0f1dce87e0caa81d21855d5056cf327a8fb84b4c5b09e8084fe2690f16e8",
+      "bytes": 10556,
+      "digest": "3fde4586b26d5f4ac6725b0680648df44ba9d3dc03206aa1c4442d839a9621c6",
       "from_time": 1767225600000,
       "through_time": 1767225611100
     }
@@ -363,9 +363,9 @@
                     "result_join": "exact_unique",
                     "timing": "unavailable"
                   },
-                  "text": "{\"command\":\"go generate ./... \\u0026\\u0026 make build\",\"description\":\"generate and build\"}",
+                  "text": "{\"command\":\"go generate ./... \u0026\u0026 make build\",\"description\":\"generate and build\"}",
                   "state": "available",
-                  "bytes": 90,
+                  "bytes": 80,
                   "flags": [
                     "finished"
                   ],
diff --git a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/asz-view-example.yaml b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/asz-view-example.yaml
index 928d85f09079..655f45efff63 100644
--- a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/asz-view-example.yaml
+++ b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/asz-view-example.yaml
@@ -5,7 +5,7 @@ sessions:
     - 00000001-0000-4000-8000-000000000001
 head:
     round: 1
-    digest: 231f2c85948d937902e75907c2b2f4b537c369a73e4847a6329b7a7a449b33bd
+    digest: befb6026a5776f481ed79bb59cc7ff0fbabd36db8e4d174156230ac3051d723d
 parser: v1
 policy: v1+idle=10m0s
 summary:
@@ -53,11 +53,11 @@ summary:
         strong_inference: 1
 rounds:
     - round: 1
-      digest: 231f2c85948d937902e75907c2b2f4b537c369a73e4847a6329b7a7a449b33bd
+      digest: befb6026a5776f481ed79bb59cc7ff0fbabd36db8e4d174156230ac3051d723d
       previous: null
       from_seq: 1
       through_seq: 4
-      input_digest: f49b55a09ff0a37d36f3d3b62c7584dd03caecb5f0f3ffe32fba96d8849df0a8
+      input_digest: ede3d4ca2b72ada8850407ebd46585d9306fd9448a767d170465b7847d833b9f
       from_time: 1767225600000
       through_time: 1767225611100
       verified: true
@@ -70,8 +70,8 @@ files:
       stream: main
       run: null
       lines: 18
-      bytes: 6076
-      digest: 42d5e0b19a8bbaae8d09eb8055548c20a8feac5cd2f342fa572a5bb3104e5632
+      bytes: 5976
+      digest: 667c3a32480190268901b2cf83f19087bed9bf44416dd900d0eb16cbab800580
       from_time: 1767225600000
       through_time: 1767225611100
     - file: 00000001-0000-4000-8000-000000000001/streams/main/changes-20260101T000000.000000000Z-000002.sd
@@ -110,7 +110,7 @@ files:
       digest: 62f019483e4d0c0d4d0f5f296bec63fbfae663479a2a78d83b45481bd8df7185
       from_time: null
       through_time: null
-    - file: _conversations/00000001-0000-4000-8000-000000000001/rounds/r000001-231f2c85948d.sf
+    - file: _conversations/00000001-0000-4000-8000-000000000001/rounds/r000001-befb6026a577.sf
       format: sf
       kind: round
       seq: null
@@ -118,8 +118,8 @@ files:
       stream: null
       run: null
       lines: 45
-      bytes: 10468
-      digest: 08eb0f1dce87e0caa81d21855d5056cf327a8fb84b4c5b09e8084fe2690f16e8
+      bytes: 10556
+      digest: 3fde4586b26d5f4ac6725b0680648df44ba9d3dc03206aa1c4442d839a9621c6
       from_time: 1767225600000
       through_time: 1767225611100
 streams:
@@ -288,9 +288,9 @@ talks:
                     result: available
                     result_join: exact_unique
                     timing: unavailable
-                  text: '{"command":"go generate ./... \u0026\u0026 make build","description":"generate and build"}'
+                  text: '{"command":"go generate ./... && make build","description":"generate and build"}'
                   state: available
-                  bytes: 90
+                  bytes: 80
                   flags:
                     - finished
                   name: Bash
diff --git a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/r000001-231f2c85948d.sf b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/r000001-befb6026a577.sf
similarity index 96%
rename from oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/r000001-231f2c85948d.sf
rename to oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/r000001-befb6026a577.sf
index 213944da2798..eddeb006737e 100644
--- a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/r000001-231f2c85948d.sf
+++ b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/r000001-befb6026a577.sf
@@ -1,4 +1,4 @@
-{"t":"header","schema":"sf/1","conversation":"00000001-0000-4000-8000-000000000001","session":"00000001-0000-4000-8000-000000000001","round":1,"from_seq":1,"through_seq":4,"input_digest":"f49b55a09ff0a37d36f3d3b62c7584dd03caecb5f0f3ffe32fba96d8849df0a8","parser":"v1","policy":"v1+idle=10m0s","from_time":"2026-01-01T00:00:00Z","through_time":"2026-01-01T00:00:11.1Z","session_from_time":"2026-01-01T00:00:00Z","session_through_time":"2026-01-01T00:00:11.1Z","title":"build and check","talks":3,"steps":21,"streams":2,"segments":1,"unresolved":0}
+{"t":"header","schema":"sf/1","conversation":"00000001-0000-4000-8000-000000000001","session":"00000001-0000-4000-8000-000000000001","round":1,"from_seq":1,"through_seq":4,"input_digest":"ede3d4ca2b72ada8850407ebd46585d9306fd9448a767d170465b7847d833b9f","parser":"v1","policy":"v1+idle=10m0s","from_time":"2026-01-01T00:00:00Z","through_time":"2026-01-01T00:00:11.1Z","session_from_time":"2026-01-01T00:00:00Z","session_through_time":"2026-01-01T00:00:11.1Z","title":"build and check","talks":3,"steps":21,"streams":2,"segments":1,"unresolved":0,"changes":1,"lines_added":1,"lines_removed":1,"llm_calls":6,"subagents":1,"bash_runs":1}
 {"t":"node","id":"ack/1/11","revision":1,"kind":"agent.launch_ack","parent":"run/talk_main_s1-cycle/s1-cycle","stream":"main","ref":{"seq":1,"row":11}}
 {"t":"node","id":"boundary/1/15","revision":1,"kind":"epoch.boundary","parent":"epoch/main/s8-boundary","stream":"main","ref":{"seq":1,"row":15}}
 {"t":"node","id":"call/checker-s1-call","revision":1,"kind":"llm.call","parent":"run/talk_a0a10ef0666c4dc7e/a0a10ef0666c4dc7e-cycle","stream":"a0a10ef0666c4dc7e","ref":{"seq":3,"row":2},"refs":[{"seq":3,"row":2}],"attrs":{"fragments":1,"usage":"observed_replayable","usage_at":{"row":2,"seq":3},"usage_from":"last_fragment_in_line_order"}}
@@ -42,4 +42,4 @@
 {"t":"relation","id":"rel/reports/notify_1_12/stream_a0a10ef0666c4dc7e","revision":1,"type":"reports","from":"notify/1/12","to":"stream/a0a10ef0666c4dc7e","quality":"exact_unique","via":"task id on the notification","evidence":[{"seq":1,"row":12}]}
 {"t":"relation","id":"rel/starts/tool_s5-tool/stream_a0a10ef0666c4dc7e","revision":1,"type":"starts","from":"tool/s5-tool","to":"stream/a0a10ef0666c4dc7e","quality":"exact_unique","via":"parent tool result","evidence":[{"seq":1,"row":11}]}
 {"t":"relation","id":"rel/summarizes/summary_1_16/boundary_1_15","revision":1,"type":"summarizes","from":"summary/1/16","to":"boundary/1/15","quality":"exact_unique","via":"containment parent","evidence":[{"seq":1,"row":16}]}
-{"t":"commit","digest":"231f2c85948d937902e75907c2b2f4b537c369a73e4847a6329b7a7a449b33bd","counts":{"nodes":35,"relations":8,"unresolved":0}}
+{"t":"commit","digest":"befb6026a5776f481ed79bb59cc7ff0fbabd36db8e4d174156230ac3051d723d","counts":{"nodes":35,"relations":8,"unresolved":0}}
diff --git a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/transcript-20260101T000000.000000000Z-000001.sd b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/transcript-20260101T000000.000000000Z-000001.sd
index 92c27905c4ad..276556ddef57 100644
--- a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/transcript-20260101T000000.000000000Z-000001.sd
+++ b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/transcript-20260101T000000.000000000Z-000001.sd
@@ -4,15 +4,15 @@
 {"ord":3,"off":438,"sha":"e29c543b2bbb","bytes":219,"id":"s2-inject","parent":"s1-input","from":"runtime","time":"2026-01-01T00:00:00.100Z","flags":["injected"],"parts":[{"k":"text","text":"skills: 1","state":"available","bytes":9}]}
 {"ord":4,"off":658,"sha":"043873e6fb59","bytes":387,"id":"s3-call-f1","parent":"s2-inject","call":"s3-call","from":"agent","time":"2026-01-01T00:00:01.000Z","usage":{"in":2,"out":50,"cache_read":900,"cache_write":100},"model":"claude-opus-5","parts":[{"k":"reasoning","state":"unavailable"}],"dropped":[{"what":"reasoning signature","bytes":3,"why":"a provider verifies it; a reader cannot read it"}]}
 {"ord":5,"off":1046,"sha":"11ca06bc074d","bytes":307,"id":"s3-call-f2","parent":"s3-call-f1","call":"s3-call","from":"agent","time":"2026-01-01T00:00:01.100Z","usage":{"in":2,"out":50,"cache_read":900,"cache_write":100},"model":"claude-opus-5","parts":[{"k":"text","text":"Building now.","state":"available","bytes":13}]}
-{"ord":6,"off":1354,"sha":"57a61d3fc1b2","bytes":444,"id":"s3-call-f3","parent":"s3-call-f2","call":"s3-call","from":"agent","time":"2026-01-01T00:00:01.200Z","flags":["finished"],"usage":{"in":2,"out":50,"cache_read":900,"cache_write":100},"model":"claude-opus-5","parts":[{"k":"call","data":{"command":"go generate ./... \u0026\u0026 make build","description":"generate and build"},"id":"tool-run-make-build","name":"Bash","state":"available","bytes":90}]}
-{"ord":7,"off":1799,"sha":"4bb17013845a","bytes":303,"id":"s3-result","parent":"s3-call-f3","run":"s1-cycle","from":"external","time":"2026-01-01T00:00:02.000Z","parts":[{"k":"result","text":"build succeeded","data":{"stderr":"","stdout":"build succeeded"},"of":"tool-run-make-build","state":"available","bytes":15}]}
-{"ord":8,"off":2103,"sha":"3ed6045885f6","bytes":382,"id":"s4-call-f1","parent":"s3-result","call":"s4-call","from":"agent","time":"2026-01-01T00:00:03.000Z","flags":["finished"],"usage":{"in":2,"out":10,"cache_read":900,"cache_write":100},"model":"claude-opus-5","parts":[{"k":"call","data":{"query":"go build cache"},"id":"srvtool-websearch","name":"WebSearch","state":"available","bytes":26}]}
-{"ord":9,"off":2486,"sha":"076df6da1478","bytes":299,"id":"s4-result","parent":"s4-call-f1","run":"s1-cycle","from":"external","time":"2026-01-01T00:00:04.000Z","parts":[{"k":"result","text":"search results","data":{"stderr":"","stdout":"search results"},"of":"srvtool-websearch","state":"available","bytes":14}]}
-{"ord":10,"off":2786,"sha":"a1920fb6ec4a","bytes":395,"id":"s5-call-f1","parent":"s4-result","call":"s5-call","from":"agent","time":"2026-01-01T00:00:05.000Z","flags":["finished"],"usage":{"in":2,"out":20,"cache_read":900,"cache_write":100},"model":"claude-opus-5","parts":[{"k":"call","data":{"description":"checker","prompt":"check the tests"},"id":"s5-tool","name":"Agent","state":"available","bytes":52}]}
-{"ord":11,"off":3182,"sha":"ea1f1cf786a0","bytes":415,"id":"s5-ack","parent":"s5-call-f1","run":"s1-cycle","child":"a0a10ef0666c4dc7e","from":"external","time":"2026-01-01T00:00:05.100Z","flags":["launch_ack"],"parts":[{"k":"result","text":"launched","data":{"agentId":"a0a10ef0666c4dc7e","description":"checker","isAsync":true,"prompt":"check the tests","status":"async_launched"},"of":"s5-tool","state":"available","bytes":8}]}
-{"ord":12,"off":3598,"sha":"fae8ef6492d9","bytes":515,"id":"s5-notice","parent":"s5-ack","run":"s5-cycle-notification","tool":"s5-tool","child":"a0a10ef0666c4dc7e","from":"external","time":"2026-01-01T00:00:08.100Z","trigger":"notification","parts":[{"k":"text","text":"\u003ctask-notification\u003e\n\u003ctask-id\u003ea0a10ef0666c4dc7e\u003c/task-id\u003e\n\u003ctool-use-id\u003es5-tool\u003c/tool-use-id\u003e\n\u003cstatus\u003ecompleted\u003c/status\u003e\n\u003c/task-notification\u003e","state":"available","bytes":139}]}
-{"ord":13,"off":4114,"sha":"f63537d35800","bytes":348,"id":"s6-call-f1","parent":"s5-notice","call":"s6-call","from":"agent","time":"2026-01-01T00:00:09.100Z","flags":["finished"],"usage":{"in":2,"out":30,"cache_read":900,"cache_write":100},"model":"claude-opus-5","parts":[{"k":"text","text":"Build passed and tests are green.","state":"available","bytes":33}]}
-{"ord":14,"off":4463,"sha":"1a2f8fb11014","bytes":327,"id":"s7-synthetic","parent":"s6-call-f1","call":"s7-synthetic-call","from":"agent","time":"2026-01-01T00:00:10.100Z","flags":["synthetic"],"usage":{},"model":"\u003csynthetic\u003e","parts":[{"k":"text","text":"API Error: Connection lost mid-response.","state":"available","bytes":40}]}
-{"ord":15,"off":4791,"sha":"99d5d9f5cbcf","bytes":394,"id":"s8-boundary","continues":"s7-synthetic","from":"runtime","time":"2026-01-01T00:00:11.100Z","flags":["context_reset"],"parts":[{"k":"data","data":{"compactMetadata":{"preservedMessages":{"allUuids":["s7-synthetic"]},"trigger":"auto"},"logicalParentUuid":"s7-synthetic","subtype":"compact_boundary","type":"system"},"state":"available","bytes":168}]}
-{"ord":16,"off":5186,"sha":"91061b01e1d1","bytes":287,"id":"s8-summary","parent":"s8-boundary","run":"s8-cycle-compact","from":"external","time":"2026-01-01T00:00:10.700Z","flags":["reset_summary"],"parts":[{"k":"text","text":"Summary: the build was run and checked.","state":"available","bytes":39}]}
-{"t":"end","records":16,"digest":"3ef98759fc051d99641b8403e1a685a3516d94e1b32283010a7a71623f26c5a9"}
+{"ord":6,"off":1354,"sha":"86655acc746f","bytes":434,"id":"s3-call-f3","parent":"s3-call-f2","call":"s3-call","from":"agent","time":"2026-01-01T00:00:01.200Z","flags":["finished"],"usage":{"in":2,"out":50,"cache_read":900,"cache_write":100},"model":"claude-opus-5","parts":[{"k":"call","data":{"command":"go generate ./... && make build","description":"generate and build"},"id":"tool-run-make-build","name":"Bash","state":"available","bytes":80}]}
+{"ord":7,"off":1789,"sha":"febfc1eaea86","bytes":303,"id":"s3-result","parent":"s3-call-f3","run":"s1-cycle","from":"external","time":"2026-01-01T00:00:02.000Z","parts":[{"k":"result","text":"build succeeded","data":{"stderr":"","stdout":"build succeeded"},"of":"tool-run-make-build","state":"available","bytes":15}]}
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+{"ord":13,"off":4024,"sha":"6b04d8a89bca","bytes":348,"id":"s6-call-f1","parent":"s5-notice","call":"s6-call","from":"agent","time":"2026-01-01T00:00:09.100Z","flags":["finished"],"usage":{"in":2,"out":30,"cache_read":900,"cache_write":100},"model":"claude-opus-5","parts":[{"k":"text","text":"Build passed and tests are green.","state":"available","bytes":33}]}
+{"ord":14,"off":4373,"sha":"9c845fd04f64","bytes":317,"id":"s7-synthetic","parent":"s6-call-f1","call":"s7-synthetic-call","from":"agent","time":"2026-01-01T00:00:10.100Z","flags":["synthetic"],"usage":{},"model":"<synthetic>","parts":[{"k":"text","text":"API Error: Connection lost mid-response.","state":"available","bytes":40}]}
+{"ord":15,"off":4691,"sha":"89f512aecef7","bytes":394,"id":"s8-boundary","continues":"s7-synthetic","from":"runtime","time":"2026-01-01T00:00:11.100Z","flags":["context_reset"],"parts":[{"k":"data","data":{"compactMetadata":{"preservedMessages":{"allUuids":["s7-synthetic"]},"trigger":"auto"},"logicalParentUuid":"s7-synthetic","subtype":"compact_boundary","type":"system"},"state":"available","bytes":168}]}
+{"ord":16,"off":5086,"sha":"8055bb9de984","bytes":287,"id":"s8-summary","parent":"s8-boundary","run":"s8-cycle-compact","from":"external","time":"2026-01-01T00:00:10.700Z","flags":["reset_summary"],"parts":[{"k":"text","text":"Summary: the build was run and checked.","state":"available","bytes":39}]}
+{"t":"end","records":16,"digest":"cbdb76b220a2a65a5783b08cf072e60a64bfa49d7e908826686d126ab76d6a80"}
diff --git a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/asz-view-example.json b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/asz-view-example.json
index 7f08a15b0f8b..2bacf2466734 100644
--- a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/asz-view-example.json
+++ b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/asz-view-example.json
@@ -7,7 +7,7 @@
   ],
   "head": {
     "round": 1,
-    "digest": "02d62370b20302d3f7b9ca0538cc267e3333a6dd50a9f4d30aa5c05f602008d2"
+    "digest": "475193a5f44b74117ee7f527bb8e5f29277ef6686dfb8d0e9a07d2e69f34c0ee"
   },
   "parser": "v1",
   "policy": "v1+idle=10m0s",
@@ -54,11 +54,11 @@
   "rounds": [
     {
       "round": 1,
-      "digest": "02d62370b20302d3f7b9ca0538cc267e3333a6dd50a9f4d30aa5c05f602008d2",
+      "digest": "475193a5f44b74117ee7f527bb8e5f29277ef6686dfb8d0e9a07d2e69f34c0ee",
       "previous": null,
       "from_seq": 1,
       "through_seq": 5,
-      "input_digest": "6e7297edbce400df039f66ba90034de86eef0a2293b0baa964be19fb969c5514",
+      "input_digest": "1b2cfd7d2a04f4131f249a4d76622cdc0cf3dc251a15f77bce7ecf9537c771c5",
       "from_time": 1767225600000,
       "through_time": 1767225609400,
       "verified": true
@@ -74,8 +74,8 @@
       "stream": "main",
       "run": null,
       "lines": 14,
-      "bytes": 5566,
-      "digest": "a3a8e96debe9f8c5398c6236052716b559aff59f22c4ffc6d99484529c7227ab",
+      "bytes": 5470,
+      "digest": "52ed2a09cafa93b7c061767a987b184d9d4405385566ca5869109fedf4b28397",
       "from_time": 1767225600000,
       "through_time": 1767225609400
     },
@@ -136,7 +136,7 @@
       "through_time": null
     },
     {
-      "file": "_conversations/3189c1f0-9ec4-4bd2-88dc-8eda88ac6db3/rounds/r000001-02d62370b203.sf",
+      "file": "_conversations/3189c1f0-9ec4-4bd2-88dc-8eda88ac6db3/rounds/r000001-475193a5f44b.sf",
       "format": "sf",
       "kind": "round",
       "seq": null,
@@ -144,8 +144,8 @@
       "stream": null,
       "run": null,
       "lines": 37,
-      "bytes": 9035,
-      "digest": "7aff5cb3c40667426aa1911d552fb05b5a3777428a5680275a8f055a5f659332",
+      "bytes": 9123,
+      "digest": "f1485e853a379a1cf8e7fcee2f327f2ed67192c39352ebfa61e5f31ec028f535",
       "from_time": 1767225600000,
       "through_time": 1767225609400
     }
@@ -329,9 +329,9 @@
                     "result_join": "exact_unique",
                     "timing": "unavailable"
                   },
-                  "text": "{\"command\":\"sed -i 's/= 10/= 30/' server.go \\u0026\\u0026 printf 'timeout: 30\\\\n' \\u003e config.yaml\"}",
+                  "text": "{\"command\":\"sed -i 's/= 10/= 30/' server.go \u0026\u0026 printf 'timeout: 30\\\\n' \u003e config.yaml\"}",
                   "state": "available",
-                  "bytes": 101,
+                  "bytes": 86,
                   "flags": [
                     "finished"
                   ],
diff --git a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/asz-view-example.yaml b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/asz-view-example.yaml
index cfbe5bbc711c..2072784fd17d 100644
--- a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/asz-view-example.yaml
+++ b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/asz-view-example.yaml
@@ -5,7 +5,7 @@ sessions:
     - 3189c1f0-9ec4-4bd2-88dc-8eda88ac6db3
 head:
     round: 1
-    digest: 02d62370b20302d3f7b9ca0538cc267e3333a6dd50a9f4d30aa5c05f602008d2
+    digest: 475193a5f44b74117ee7f527bb8e5f29277ef6686dfb8d0e9a07d2e69f34c0ee
 parser: v1
 policy: v1+idle=10m0s
 summary:
@@ -46,11 +46,11 @@ summary:
         strong_inference: 1
 rounds:
     - round: 1
-      digest: 02d62370b20302d3f7b9ca0538cc267e3333a6dd50a9f4d30aa5c05f602008d2
+      digest: 475193a5f44b74117ee7f527bb8e5f29277ef6686dfb8d0e9a07d2e69f34c0ee
       previous: null
       from_seq: 1
       through_seq: 5
-      input_digest: 6e7297edbce400df039f66ba90034de86eef0a2293b0baa964be19fb969c5514
+      input_digest: 1b2cfd7d2a04f4131f249a4d76622cdc0cf3dc251a15f77bce7ecf9537c771c5
       from_time: 1767225600000
       through_time: 1767225609400
       verified: true
@@ -63,8 +63,8 @@ files:
       stream: main
       run: null
       lines: 14
-      bytes: 5566
-      digest: a3a8e96debe9f8c5398c6236052716b559aff59f22c4ffc6d99484529c7227ab
+      bytes: 5470
+      digest: 52ed2a09cafa93b7c061767a987b184d9d4405385566ca5869109fedf4b28397
       from_time: 1767225600000
       through_time: 1767225609400
     - file: 3189c1f0-9ec4-4bd2-88dc-8eda88ac6db3/streams/main/changes-20260101T000000.000000000Z-000002.sd
@@ -115,7 +115,7 @@ files:
       digest: 7e430e402adabc5f885031e03ef7a106e9cb14bc0e583e64786217f25faf4ce0
       from_time: null
       through_time: null
-    - file: _conversations/3189c1f0-9ec4-4bd2-88dc-8eda88ac6db3/rounds/r000001-02d62370b203.sf
+    - file: _conversations/3189c1f0-9ec4-4bd2-88dc-8eda88ac6db3/rounds/r000001-475193a5f44b.sf
       format: sf
       kind: round
       seq: null
@@ -123,8 +123,8 @@ files:
       stream: null
       run: null
       lines: 37
-      bytes: 9035
-      digest: 7aff5cb3c40667426aa1911d552fb05b5a3777428a5680275a8f055a5f659332
+      bytes: 9123
+      digest: f1485e853a379a1cf8e7fcee2f327f2ed67192c39352ebfa61e5f31ec028f535
       from_time: 1767225600000
       through_time: 1767225609400
 streams:
@@ -264,9 +264,9 @@ talks:
                     result: available
                     result_join: exact_unique
                     timing: unavailable
-                  text: '{"command":"sed -i ''s/= 10/= 30/'' server.go \u0026\u0026 printf ''timeout: 30\\n'' \u003e config.yaml"}'
+                  text: '{"command":"sed -i ''s/= 10/= 30/'' server.go && printf ''timeout: 30\\n'' > config.yaml"}'
                   state: available
-                  bytes: 101
+                  bytes: 86
                   flags:
                     - finished
                   name: Bash
diff --git a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/r000001-02d62370b203.sf b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/r000001-475193a5f44b.sf
similarity index 95%
rename from oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/r000001-02d62370b203.sf
rename to oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/r000001-475193a5f44b.sf
index a01a65672469..ce246f0d71ec 100644
--- a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/r000001-02d62370b203.sf
+++ b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/r000001-475193a5f44b.sf
@@ -1,4 +1,4 @@
-{"t":"header","schema":"sf/1","conversation":"3189c1f0-9ec4-4bd2-88dc-8eda88ac6db3","session":"3189c1f0-9ec4-4bd2-88dc-8eda88ac6db3","round":1,"from_seq":1,"through_seq":5,"input_digest":"6e7297edbce400df039f66ba90034de86eef0a2293b0baa964be19fb969c5514","parser":"v1","policy":"v1+idle=10m0s","from_time":"2026-01-01T00:00:00Z","through_time":"2026-01-01T00:00:09.4Z","session_from_time":"2026-01-01T00:00:00Z","session_through_time":"2026-01-01T00:00:09.4Z","title":"workspace changes beside the steps","talks":2,"steps":19,"streams":2,"segments":1,"unresolved":0}
+{"t":"header","schema":"sf/1","conversation":"3189c1f0-9ec4-4bd2-88dc-8eda88ac6db3","session":"3189c1f0-9ec4-4bd2-88dc-8eda88ac6db3","round":1,"from_seq":1,"through_seq":5,"input_digest":"1b2cfd7d2a04f4131f249a4d76622cdc0cf3dc251a15f77bce7ecf9537c771c5","parser":"v1","policy":"v1+idle=10m0s","from_time":"2026-01-01T00:00:00Z","through_time":"2026-01-01T00:00:09.4Z","session_from_time":"2026-01-01T00:00:00Z","session_through_time":"2026-01-01T00:00:09.4Z","title":"workspace changes beside the steps","talks":2,"steps":19,"streams":2,"segments":1,"unresolved":0,"changes":3,"lines_added":3,"lines_removed":3,"llm_calls":6,"subagents":1,"bash_runs":2}
 {"t":"node","id":"ack/1/10","revision":1,"kind":"agent.launch_ack","parent":"run/talk_main_s1-cycle/s1-cycle","stream":"main","ref":{"seq":1,"row":10}}
 {"t":"node","id":"call/s2-call","revision":1,"kind":"llm.call","parent":"run/talk_main_s1-cycle/s1-cycle","stream":"main","ref":{"seq":1,"row":3},"refs":[{"seq":1,"row":3},{"seq":1,"row":4}],"attrs":{"fragments":2,"usage":"observed_replayable","usage_at":{"row":4,"seq":1},"usage_from":"last_fragment_in_line_order"}}
 {"t":"node","id":"call/s3-call","revision":1,"kind":"llm.call","parent":"run/talk_main_s1-cycle/s1-cycle","stream":"main","ref":{"seq":1,"row":6},"refs":[{"seq":1,"row":6},{"seq":1,"row":7}],"attrs":{"fragments":2,"usage":"observed_replayable","usage_at":{"row":7,"seq":1},"usage_from":"last_fragment_in_line_order"}}
@@ -34,4 +34,4 @@
 {"t":"relation","id":"rel/in_segment/talk_main_s1-cycle/segment_at_1_2","revision":1,"type":"in_segment","from":"talk/main/s1-cycle","to":"segment/at_1_2","quality":"exact_unique","via":"activity window","evidence":[{"seq":1,"row":2}]}
 {"t":"relation","id":"rel/reports/notify_1_11/stream_a16c61ba3c4753923","revision":1,"type":"reports","from":"notify/1/11","to":"stream/a16c61ba3c4753923","quality":"exact_unique","via":"task id on the notification","evidence":[{"seq":1,"row":11}]}
 {"t":"relation","id":"rel/starts/tool_s4-tool/stream_a16c61ba3c4753923","revision":1,"type":"starts","from":"tool/s4-tool","to":"stream/a16c61ba3c4753923","quality":"exact_unique","via":"parent tool result","evidence":[{"seq":1,"row":10}]}
-{"t":"commit","digest":"02d62370b20302d3f7b9ca0538cc267e3333a6dd50a9f4d30aa5c05f602008d2","counts":{"nodes":30,"relations":5,"unresolved":0}}
+{"t":"commit","digest":"475193a5f44b74117ee7f527bb8e5f29277ef6686dfb8d0e9a07d2e69f34c0ee","counts":{"nodes":30,"relations":5,"unresolved":0}}
diff --git a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/transcript-20260101T000000.000000000Z-000001.sd b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/transcript-20260101T000000.000000000Z-000001.sd
index 296d61a15881..09e3d43f58e9 100644
--- a/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/transcript-20260101T000000.000000000Z-000001.sd
+++ b/oap-server/analyzer/ai-agent-conversation/src/test/resources/fixtures/workspace-changes/transcript-20260101T000000.000000000Z-000001.sd
@@ -2,13 +2,13 @@
 {"ord":1,"off":0,"sha":"afbb3ba09c32","bytes":226,"label":"workspace changes beside the steps","from":"runtime","parts":[{"k":"data","data":{"aiTitle":"workspace changes beside the steps","type":"ai-title"},"state":"available","bytes":66}]}
 {"ord":2,"off":227,"sha":"d3e401a89121","bytes":281,"id":"s1-input","run":"s1-cycle","from":"external","time":"2026-01-01T00:00:00.000Z","trigger":"external","flags":["external_input"],"parts":[{"k":"text","text":"raise the timeout and add a configuration file","state":"available","bytes":46}]}
 {"ord":3,"off":509,"sha":"803d82720133","bytes":305,"id":"s2-call-f1","parent":"s1-input","call":"s2-call","from":"agent","time":"2026-01-01T00:00:01.000Z","usage":{"in":2,"out":40,"cache_read":900,"cache_write":100},"model":"claude-opus-5","parts":[{"k":"text","text":"Changing both.","state":"available","bytes":14}]}
-{"ord":4,"off":815,"sha":"bd57aad7cd5f","bytes":443,"id":"s2-call-f2","parent":"s2-call-f1","call":"s2-call","from":"agent","time":"2026-01-01T00:00:01.100Z","flags":["finished"],"usage":{"in":2,"out":40,"cache_read":900,"cache_write":100},"model":"claude-opus-5","parts":[{"k":"call","data":{"command":"sed -i 's/= 10/= 30/' server.go \u0026\u0026 printf 'timeout: 30\\n' \u003e config.yaml"},"id":"s2-tool","name":"Bash","state":"available","bytes":101}]}
-{"ord":5,"off":1259,"sha":"0325718896eb","bytes":240,"id":"s2-result","parent":"s2-call-f2","run":"s1-cycle","from":"external","time":"2026-01-01T00:00:01.600Z","parts":[{"k":"result","data":{"stderr":"","stdout":""},"of":"s2-tool","state":"available"}]}
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-{"ord":7,"off":1810,"sha":"871e54750243","bytes":459,"id":"s3-call-f2","parent":"s3-call-f1","call":"s3-call","from":"agent","time":"2026-01-01T00:00:02.700Z","flags":["finished"],"usage":{"in":2,"out":40,"cache_read":900,"cache_write":100},"model":"claude-opus-5","parts":[{"k":"call","data":{"file_path":"/Users/dev/scenario/server.go","new_string":"var timeoutSeconds = 30","old_string":"var timeout = 30"},"id":"s3-tool","name":"Edit","state":"available","bytes":116}]}
-{"ord":8,"off":2270,"sha":"54e2d5843b25","bytes":1101,"id":"s3-result","parent":"s3-call-f2","run":"s1-cycle","from":"external","time":"2026-01-01T00:00:02.900Z","parts":[{"k":"result","text":"The file has been updated.","data":{"stderr":"","stdout":"The file has been updated."},"of":"s3-tool","state":"available","bytes":26},{"k":"data","data":{"schema":"changes/1","id":"s3-tool","captured_by":"claude-code","session":"3189c1f0-9ec4-4bd2-88dc-8eda88ac6db3","stream":"main","tool":"s3-tool","time":"2026-01-01T00:00:02.900Z","basis":"runtime_reported","root":{"path":"/Users/dev/scenario"},"changed_files":1,"changes":[{"path":"server.go","operation":"modify","before":{"present":true,"bytes":31,"sha256":"ec2dae1adf80381d4d3e6e1f4048c3b4a0c3b667ae8e77fff58c7250f2b3ce00"},"after":{"present":true,"bytes":38,"sha256":"e09685d08cfce37f21707e337394d2397df80966b2949fe9de14b8f8791817c5"},"diff":"available","additions":1,"deletions":1,"hunks":[{"old_start":1,"old_lines":3,"new_start":1,"new_lines":3,"lines":[" package main"," ","-var timeout = 30","+var timeoutSeconds = 30"]}]}]},"state":"available","bytes":735}]}
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