ENVIRONMENT: {"revision":"f6290eb6d3ee3a71261788c3a1cd0bf528679efd","fixture":"R03c","kind":"H: real runtime layer/event sink/projection, in-memory SQLite, registered fake Codex provider; synthetic data; controlled terminal events","clock":"TestClock epoch","visualDimensions":"not applicable: server-only transcript","mcp":"real toolkit, live fake-provider thread invocation context/access layer and ThreadManagementService"}
ACTION: {"type":"message.dispatch","createdBy":"user","creationSource":"web","messageId":"message:R03c:A","text":"A blocks","attachments":[],"modelSelection":{"instanceId":"codex","model":"gpt-5.4"},"dispatchMode":{"type":"start_immediately"}}
COMMAND_RESULT: {"ok":true,"sequence":9}
HARNESS_COHORT_SEED: {"owner":"A","message":"C","generation":1,"taskIds":["task:R03c:1"],"disposition":"open"}
ACTION: {"type":"message.dispatch","createdBy":"agent","creationSource":"server","messageId":"message:R03c:C","text":"C","attachments":[],"modelSelection":{"instanceId":"codex","model":"gpt-5.4"},"dispatchMode":{"type":"queue_after_active"},"delegatedCompletion":{"parentRunId":"run:thread:thread%3AR03c:ordinal:1","generation":1,"taskIds":["task:R03c:1"]}}
COMMAND_RESULT: {"ok":true,"sequence":22}
ACTION: {"type":"message.dispatch","createdBy":"user","creationSource":"web","messageId":"message:R03c:U","text":"U","attachments":[],"modelSelection":{"instanceId":"codex","model":"gpt-5.4"},"dispatchMode":{"type":"queue_after_active"}}
COMMAND_RESULT: {"ok":true,"sequence":27}
ACTION: {"type":"message.dispatch","createdBy":"user","creationSource":"web","messageId":"message:R03c:V","text":"V","attachments":[],"modelSelection":{"instanceId":"codex","model":"gpt-5.4"},"dispatchMode":{"type":"queue_after_active"}}
COMMAND_RESULT: {"ok":true,"sequence":32}
PERSISTED SEEDED: [{"id":"A","status":"running","q":null,"flag":"absent","held":false},{"id":"C","status":"queued","q":1,"flag":"absent","held":false},{"id":"U","status":"queued","q":2,"flag":"absent","held":false},{"id":"V","status":"queued","q":3,"flag":"absent","held":false}]
DELIVERY_ORDER SEEDED: ["C","U","V"]
RUN_UPDATED SEEDED: {"id":"A","status":"running","q":null,"flag":"absent","held":false}
RUN_UPDATED SEEDED: {"id":"A","status":"running","q":null,"flag":"absent","held":false}
PROVIDER SEEDED: {"started":["A"],"steered":[],"interruptRequests":0}
MCP_INPUT: {"action":"reorder","queuedRunId":"run:thread:thread%3AR03c:ordinal:3","beforeRunId":"run:thread:thread%3AR03c:ordinal:2"}
MCP_OUTPUT: [{"result":{"sequence":34},"isFailure":false,"preliminary":false,"encodedResult":{"sequence":34}}]
PERSISTED reorder U before C: [{"id":"A","status":"running","q":null,"flag":"absent","held":false},{"id":"C","status":"queued","q":2,"flag":"absent","held":false},{"id":"U","status":"queued","q":1,"flag":true,"held":false},{"id":"V","status":"queued","q":3,"flag":"absent","held":false}]
DELIVERY_ORDER reorder U before C: ["U","C","V"]
RUN_UPDATED reorder U before C: {"id":"U","status":"queued","q":1,"flag":true,"held":false}
RUN_UPDATED reorder U before C: {"id":"C","status":"queued","q":2,"flag":"absent","held":false}
PROVIDER reorder U before C: {"started":["A"],"steered":[],"interruptRequests":0}
MCP_INPUT: {"action":"cancel","queuedRunId":"run:thread:thread%3AR03c:ordinal:2"}
MCP_OUTPUT: [{"result":{"sequence":38},"isFailure":false,"preliminary":false,"encodedResult":{"sequence":38}}]
PERSISTED after cancelling C; marker retained: [{"id":"A","status":"running","q":null,"flag":"absent","held":false},{"id":"C","status":"cancelled","q":null,"flag":"absent","held":false},{"id":"U","status":"queued","q":1,"flag":true,"held":false},{"id":"V","status":"queued","q":3,"flag":"absent","held":false}]
DELIVERY_ORDER after cancelling C; marker retained: ["U","V"]
RUN_UPDATED after cancelling C; marker retained: {"id":"A","status":"running","q":null,"flag":"absent","held":false}
RUN_UPDATED after cancelling C; marker retained: {"id":"C","status":"cancelled","q":null,"flag":"absent","held":false}
PROVIDER after cancelling C; marker retained: {"started":["A"],"steered":[],"interruptRequests":0}
MCP_INPUT: {"action":"reorder","queuedRunId":"run:thread:thread%3AR03c:ordinal:3","beforeRunId":"run:thread:thread%3AR03c:ordinal:4"}
MCP_OUTPUT: [{"result":{"sequence":40},"isFailure":false,"preliminary":false,"encodedResult":{"sequence":40}}]
PERSISTED reorder U before V: [{"id":"A","status":"running","q":null,"flag":"absent","held":false},{"id":"C","status":"cancelled","q":null,"flag":"absent","held":false},{"id":"U","status":"queued","q":1,"flag":false,"held":false},{"id":"V","status":"queued","q":2,"flag":"absent","held":false}]
DELIVERY_ORDER reorder U before V: ["U","V"]
RUN_UPDATED reorder U before V: {"id":"U","status":"queued","q":1,"flag":false,"held":false}
RUN_UPDATED reorder U before V: {"id":"V","status":"queued","q":2,"flag":"absent","held":false}
PROVIDER reorder U before V: {"started":["A"],"steered":[],"interruptRequests":0}
HARNESS_COHORT_SEED: {"owner":"A","message":"C2","generation":2,"taskIds":["task:R03c:2"],"disposition":"open"}
ACTION: {"type":"message.dispatch","createdBy":"agent","creationSource":"server","messageId":"message:R03c:C2","text":"C2","attachments":[],"modelSelection":{"instanceId":"codex","model":"gpt-5.4"},"dispatchMode":{"type":"queue_after_active"},"delegatedCompletion":{"parentRunId":"run:thread:thread%3AR03c:ordinal:1","generation":2,"taskIds":["task:R03c:2"]}}
COMMAND_RESULT: {"ok":true,"sequence":46}
MCP_INPUT: {"action":"list","limit":20}
MCP_OUTPUT: [{"result":{"items":[{"queuedRunId":"run:thread:thread%3AR03c:ordinal:5","text":"Delegated task task:R03c:2 reached a terminal state. Use task_status with taskId task:R03c:2 to read the result.","truncated":false},{"queuedRunId":"run:thread:thread%3AR03c:ordinal:3","text":"U","truncated":false},{"queuedRunId":"run:thread:thread%3AR03c:ordinal:4","text":"V","truncated":false}],"nextCursor":null},"isFailure":false,"preliminary":false,"encodedResult":{"items":[{"queuedRunId":"run:thread:thread%3AR03c:ordinal:5","text":"Delegated task task:R03c:2 reached a terminal state. Use task_status with taskId task:R03c:2 to read the result.","truncated":false},{"queuedRunId":"run:thread:thread%3AR03c:ordinal:3","text":"U","truncated":false},{"queuedRunId":"run:thread:thread%3AR03c:ordinal:4","text":"V","truncated":false}],"nextCursor":null}}]
ACTION: {"naturalTerminal":"A","status":"completed"}
PERSISTED drain 0: [{"id":"A","status":"completed","q":null,"flag":"absent","held":false},{"id":"C","status":"cancelled","q":null,"flag":"absent","held":false},{"id":"U","status":"queued","q":1,"flag":false,"held":false},{"id":"V","status":"queued","q":2,"flag":"absent","held":false},{"id":"C2","status":"running","q":null,"flag":"absent","held":false}]
DELIVERY_ORDER drain 0: ["U","V"]
RUN_UPDATED drain 0: {"id":"A","status":"running","q":null,"flag":"absent","held":false}
RUN_UPDATED drain 0: {"id":"A","status":"waiting","q":null,"flag":"absent","held":false}
RUN_UPDATED drain 0: {"id":"A","status":"completed","q":null,"flag":"absent","held":false}
RUN_UPDATED drain 0: {"id":"C2","status":"starting","q":null,"flag":"absent","held":false}
RUN_UPDATED drain 0: {"id":"C2","status":"running","q":null,"flag":"absent","held":false}
PROVIDER drain 0: {"started":["A","C2"],"steered":[],"interruptRequests":0}
ACTION: {"naturalTerminal":"C2","status":"completed"}
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DELIVERY_ORDER drain 1: ["V"]
RUN_UPDATED drain 1: {"id":"C2","status":"waiting","q":null,"flag":"absent","held":false}
RUN_UPDATED drain 1: {"id":"C2","status":"completed","q":null,"flag":"absent","held":false}
RUN_UPDATED drain 1: {"id":"A","status":"completed","q":null,"flag":"absent","held":false}
RUN_UPDATED drain 1: {"id":"U","status":"starting","q":null,"flag":false,"held":false}
PROVIDER drain 1: {"started":["A","C2"],"steered":[],"interruptRequests":0}
ACTION: {"naturalTerminal":"U","status":"completed"}
PERSISTED drain 2: [{"id":"A","status":"completed","q":null,"flag":"absent","held":false},{"id":"C","status":"cancelled","q":null,"flag":"absent","held":false},{"id":"C2","status":"completed","q":null,"flag":"absent","held":false},{"id":"U","status":"completed","q":null,"flag":false,"held":false},{"id":"V","status":"running","q":null,"flag":"absent","held":false}]
DELIVERY_ORDER drain 2: []
RUN_UPDATED drain 2: {"id":"U","status":"running","q":null,"flag":false,"held":false}
RUN_UPDATED drain 2: {"id":"U","status":"waiting","q":null,"flag":false,"held":false}
RUN_UPDATED drain 2: {"id":"U","status":"completed","q":null,"flag":false,"held":false}
RUN_UPDATED drain 2: {"id":"V","status":"starting","q":null,"flag":"absent","held":false}
RUN_UPDATED drain 2: {"id":"V","status":"running","q":null,"flag":"absent","held":false}
PROVIDER drain 2: {"started":["A","C2","U","V"],"steered":[],"interruptRequests":0}
ACTION: {"naturalTerminal":"V","status":"completed"}
PERSISTED drain 3: [{"id":"A","status":"completed","q":null,"flag":"absent","held":false},{"id":"C","status":"cancelled","q":null,"flag":"absent","held":false},{"id":"C2","status":"completed","q":null,"flag":"absent","held":false},{"id":"U","status":"completed","q":null,"flag":false,"held":false},{"id":"V","status":"completed","q":null,"flag":"absent","held":false}]
DELIVERY_ORDER drain 3: []
RUN_UPDATED drain 3: {"id":"V","status":"waiting","q":null,"flag":"absent","held":false}
RUN_UPDATED drain 3: {"id":"V","status":"completed","q":null,"flag":"absent","held":false}
PROVIDER drain 3: {"started":["A","C2","U","V"],"steered":[],"interruptRequests":0}
PERSISTED FINAL: [{"id":"A","status":"completed","q":null,"flag":"absent","held":false},{"id":"C","status":"cancelled","q":null,"flag":"absent","held":false},{"id":"C2","status":"completed","q":null,"flag":"absent","held":false},{"id":"U","status":"completed","q":null,"flag":false,"held":false},{"id":"V","status":"completed","q":null,"flag":"absent","held":false}]
DELIVERY_ORDER FINAL: []
PROVIDER FINAL: {"started":["A","C2","U","V"],"steered":[],"interruptRequests":0}
ACTUAL_STARTING_SEQUENCE: ["A","C2","U","V"]
INVARIANTS: {"oneActive":true,"eachStartOnce":true,"noSkippedIds":true,"emptyQueue":true,"matrixOrder":true}
OBSERVATION_BARRIER: {"subscribedBeforeActions":true,"observedStarting":4}
