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"provider_stream_delta" }, { "backlog_depth": 2, "class": "semantic", "coalescing_reason": "flush_before_next_semantic_event", "elapsed_ms": 56, "event": "rpc_semantic_flush", "semantic_milestone": "rpc_semantic_flush_visible", "step": 3, "surface": "rpc_output_pressure" }, { "backlog_depth": 1, "class": "low_value", "coalescing_reason": "latest_tool_update_coalesced", "elapsed_ms": 76, "event": "tool_progress_noise", "semantic_milestone": null, "step": 4, "surface": "tool_update_coalescing" }, { "backlog_depth": 2, "class": "semantic", "coalescing_reason": "final_tool_update_forced_visible", "elapsed_ms": 84, "event": "tool_result_visible", "semantic_milestone": "tool_result_visible", "step": 5, "surface": "tool_update_coalescing" }, { "backlog_depth": 2, "class": "semantic", "coalescing_reason": "reserved_semantic_frame", "elapsed_ms": 120, "event": "semantic_frame_render", "semantic_milestone": "tui_semantic_frame_visible", "step": 6, "surface": "tui_frame_render" }, { "backlog_depth": 7, "class": "semantic", "coalescing_reason": "session_batch_flushed_before_turn_boundary", "elapsed_ms": 238, "event": "session_append_checkpoint", "semantic_milestone": "session_checkpoint_written", "step": 7, "surface": "session_write_pressure" } ], "timeline_kind": "deterministic_synthetic_high_volume_fixture", "visibility_budget_ms": 250 } ], "claim_boundaries": { "allowed_claim": "Advisory operator smoothness SLO over deterministic engineering fixtures only.", "benchmark_claim_authorized": false, "capacity_claim_authorized": false, "live_provider_terminal_network_or_rch_call_authorized": false, "release_performance_claim_authorized": false, "replaces_provider_rpc_tui_tool_or_session_evidence": false, "scheduler_or_runtime_mutation_authorized": false, "session_mutation_authorized": false, "strict_dropin_or_release_claim_authorized": false }, "decision": "smoothness_slo_passed", "failing_case_ids": [], "generated_at": "2026-05-18T06:45:00+00:00", "missing_case_ids": [], "missing_surface_ids": [], "negative_control_failures": [], "negative_controls": [ { "expectation_met": true, "expected_status": "fail", "failure_log": { "expected": "p99_visible_ms <= 250", "observed": { "p99_visible_ms": 300 }, "reason": "delayed_semantic_visibility", "surface": "provider_stream_delta" }, "id": "delayed_semantic_visibility_fails_closed", "verdict": "fail" }, { "expectation_met": true, "expected_status": "fail", "failure_log": { "expected": "strictly increasing step and elapsed_ms", "observed": { "elapsed_ms": [ 0, 70, 65 ], "steps": [ 1, 3, 2 ] }, "reason": "non_monotonic_timeline", "surface": "timeline" }, "id": "non_monotonic_timeline_fails_closed", "verdict": "fail" }, { "expectation_met": true, "expected_status": "fail", "failure_log": { "expected": "max_backlog <= 8", "observed": { "max_backlog": 12 }, "reason": "runaway_backlog", "surface": "tui_frame_render" }, "id": "runaway_frame_backlog_fails_closed", "verdict": "fail" }, { "expectation_met": true, "expected_status": "fail", "failure_log": { "expected": "all required surfaces covered", "observed": { "missing_surface_ids": [ "session_write_pressure" ] }, "reason": "missing_surface_coverage", "surface": "session_write_pressure" }, "id": "missing_surface_coverage_fails_closed", "verdict": "fail" } ], "operator_next_actions": [ "Use this SLO to inspect fixture-level semantic visibility under high-volume output.", "Treat p50/p95/p99 values as deterministic engineering counters, not release benchmark data.", "File follow-up beads for any delayed semantic visibility, runaway backlog, non-monotonic timeline, or missing surface coverage." ], "purpose": "operator_smoothness_slo_engineering_fixture_not_release_benchmark", "required_case_ids": [ "balanced_high_volume", "rpc_tool_flood", "tui_budget_pressure", "provider_slow_semantic", "session_write_pressure" ], "required_event_keys": [ "step", "elapsed_ms", "surface", "event", "class", "semantic_milestone", "coalescing_reason", "backlog_depth" ], "required_metric_keys": [ "event_count", "semantic_milestone_count", "coalesced_low_value_count", "p50_visible_ms", "p95_visible_ms", "p99_visible_ms", "max_backlog", "visibility_budget_ms", "verdict" ], "required_surface_ids": [ "provider_stream_delta", "rpc_output_pressure", "tui_frame_render", "tool_update_coalescing", "session_write_pressure" ], "schema": "pi.operator.smoothness_slo.v1", "source_bead": "bd-9yq7i.5", "source_boundaries": [ { "description": "All smoothness timelines are deterministic fixtures and do not call live providers, terminals, networks, RCH, or Agent Mail.", "id": "fixture_backed_no_live_provider_or_terminal_calls", "status": "pass" }, { "description": "p50/p95/p99 counters are engineering fixture counters, not release latency, benchmark, or capacity measurements.", "id": "advisory_slo_not_benchmark_capacity_or_release_claim", "status": "pass" }, { "description": "The SLO summarizes fixture smoothness and does not replace the checked-in provider, RPC, TUI, tool, or session correctness evidence.", "id": "does_not_replace_provider_rpc_tui_tool_or_session_evidence", "status": "pass" }, { "description": "The generator emits JSON only and does not mutate runtime queues, scheduler policy, Beads, Agent Mail, RCH, cargo artifacts, git, or sessions.", "id": "read_only_no_scheduler_runtime_cargo_or_git_mutation", "status": "pass" } ], "status": "pass", "surface_ids_covered": [ "provider_stream_delta", "rpc_output_pressure", "session_write_pressure", "tool_update_coalescing", "tui_frame_render" ], "visibility_budget_ms": 250 }