remem-ai 0.6.7

Local-first coding agent memory for Claude Code and OpenAI Codex
Documentation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
use std::collections::{BTreeMap, BTreeSet};
use std::fs;
use std::path::{Path, PathBuf};

use anyhow::{Context, Result};
use serde::de::DeserializeOwned;
use serde::Serialize;
use serde_json::Value;

use super::types::{
    BenchVerifyOptions, BenchVerifyReport, BenchmarkLayer, CodingRunArtifact, MemoryRunArtifact,
    PublicBenchmarkManifest, PublicBenchmarkReport, RunEnvironment,
};

#[derive(Debug, Clone)]
pub struct BenchReportOptions {
    pub root: PathBuf,
    pub json_out: PathBuf,
    pub markdown_out: PathBuf,
}

#[derive(Debug, Clone, Serialize)]
pub struct PublicBaselineReport {
    pub schema_version: u32,
    pub report_id: String,
    pub report_kind: String,
    pub root: String,
    pub created_at_epoch: i64,
    pub claim_level: String,
    pub artifact_verifier: BenchVerifyReport,
    pub summary: BaselineSummary,
    pub reports: Vec<BaselineReportEntry>,
    pub memory_task_outcomes: Vec<MemoryTaskOutcome>,
    pub coding_task_outcomes: Vec<CodingTaskOutcome>,
    pub coding_condition_variance: Vec<CodingConditionVariance>,
    pub failure_decomposition: FailureDecomposition,
    pub reproducibility: ReproducibilitySummary,
    pub claim_gate: ClaimGateSummary,
    pub reproduction_commands: Vec<String>,
}

#[derive(Debug, Clone, Serialize)]
pub struct BaselineSummary {
    pub memory_system: BaselineLayerSummary,
    pub coding_agent: BaselineLayerSummary,
    pub manifest_count: usize,
    pub report_count: usize,
    pub run_artifact_count: usize,
}

#[derive(Debug, Clone, Serialize)]
pub struct BaselineLayerSummary {
    pub status: String,
    pub report_count: usize,
    pub run_artifact_count: usize,
    pub benchmark_ids: Vec<String>,
    pub conditions: Vec<String>,
    pub claim_levels: Vec<String>,
    pub notes: Vec<String>,
}

#[derive(Debug, Clone, Serialize)]
pub struct BaselineReportEntry {
    pub path: String,
    pub benchmark_id: String,
    pub benchmark_version: String,
    pub layer: BenchmarkLayer,
    pub conditions: Vec<String>,
    pub run_artifact_count: usize,
    pub claim_level: String,
    pub aggregate_metrics: Value,
}

#[derive(Debug, Clone, Serialize)]
pub struct MemoryTaskOutcome {
    pub report_path: String,
    pub suite: String,
    pub condition: String,
    pub task_id: String,
    pub run_index: u32,
    pub answer_score: Option<f64>,
    pub support_coverage: Option<f64>,
    pub citation_recall: Option<f64>,
    pub write_side_gap: bool,
    pub retrieval_side_gap: bool,
    pub reader_gap: bool,
    pub policy_abstention: bool,
}

#[derive(Debug, Clone, Serialize)]
pub struct CodingTaskOutcome {
    pub report_path: String,
    pub condition: String,
    pub task_id: String,
    pub run_index: u32,
    pub resolved: bool,
    pub failure_reason: Option<String>,
    pub tokens_total: Option<u64>,
    pub turns: Option<u64>,
    pub wall_time_ms: Option<u64>,
    pub memory_helped: Option<bool>,
    pub memory_hurt: Option<bool>,
}

#[derive(Debug, Clone, Serialize)]
pub struct CodingConditionVariance {
    pub condition: String,
    pub runs: usize,
    pub resolved_rate: f64,
    pub tokens_total_mean: Option<f64>,
    pub tokens_total_sample_variance: Option<f64>,
    pub wall_time_ms_mean: Option<f64>,
    pub wall_time_ms_sample_variance: Option<f64>,
    pub variance_status: String,
}

#[derive(Debug, Clone, Default, Serialize)]
pub struct FailureDecomposition {
    pub coding_failure_counts: BTreeMap<String, usize>,
    pub coding_memory_failure_counts: BTreeMap<String, usize>,
    pub memory_gap_counts: BTreeMap<String, usize>,
}

#[derive(Debug, Clone, Serialize)]
pub struct ReproducibilitySummary {
    pub remem_commits: Vec<String>,
    pub fixture_revisions: Vec<String>,
    pub docker_image_digests: Vec<String>,
    pub repo_base_commits: Vec<String>,
    pub prompt_hashes: Vec<String>,
    pub models: Vec<String>,
}

#[derive(Debug, Clone, Serialize)]
pub struct ClaimGateSummary {
    pub artifact_verifier_passed: bool,
    pub coding_outcome_stop_loss_status: String,
    pub public_sota_status: String,
    pub notes: Vec<String>,
}

#[derive(Default)]
struct BuildState {
    manifest_count: usize,
    report_paths: BTreeSet<PathBuf>,
    reports: Vec<BaselineReportEntry>,
    memory_outcomes: Vec<MemoryTaskOutcome>,
    coding_outcomes: Vec<CodingTaskOutcome>,
    memory_benchmarks: BTreeSet<String>,
    coding_benchmarks: BTreeSet<String>,
    memory_conditions: BTreeSet<String>,
    coding_conditions: BTreeSet<String>,
    memory_claim_levels: BTreeSet<String>,
    coding_claim_levels: BTreeSet<String>,
    failure_decomposition: FailureDecomposition,
    remem_commits: BTreeSet<String>,
    fixture_revisions: BTreeSet<String>,
    docker_image_digests: BTreeSet<String>,
    repo_base_commits: BTreeSet<String>,
    prompt_hashes: BTreeSet<String>,
    models: BTreeSet<String>,
    max_created_at_epoch: i64,
}

pub fn write_public_baseline_report(options: BenchReportOptions) -> Result<PublicBaselineReport> {
    let report = generate_public_baseline_report(&options.root)?;
    write_text_file(&options.json_out, &serde_json::to_string_pretty(&report)?)?;
    write_text_file(
        &options.markdown_out,
        &render_public_baseline_markdown(&report),
    )?;
    Ok(report)
}

pub fn generate_public_baseline_report(root: &Path) -> Result<PublicBaselineReport> {
    let artifact_verifier = super::verify::verify_benchmark_artifacts(BenchVerifyOptions {
        root: root.to_path_buf(),
    })?;
    let manifest_paths = super::verify::collect_manifest_paths(root)?;

    let mut state = BuildState {
        max_created_at_epoch: 0,
        ..BuildState::default()
    };

    for manifest_path in manifest_paths {
        let manifest: PublicBenchmarkManifest = read_json(&manifest_path)?;
        state.manifest_count += 1;
        state.max_created_at_epoch = state.max_created_at_epoch.max(manifest.created_at_epoch);
        for report_path in &manifest.reports {
            let full_report_path = root.join(report_path);
            if state.report_paths.insert(full_report_path.clone()) {
                load_report(root, &full_report_path, &mut state)?;
            }
        }
    }

    let coding_condition_variance = coding_variance(&state.coding_outcomes);
    let claim_gate = claim_gate(&artifact_verifier, &state, &coding_condition_variance);
    let memory_summary = layer_summary(
        "directional_memory_system_evidence",
        &state.memory_benchmarks,
        &state.memory_conditions,
        &state.memory_claim_levels,
        state.memory_outcomes.len(),
        &[
            "Memory-system capability results are separate from coding-agent outcomes.".to_string(),
            "Committed memory suites are directional until public claim gates pass.".to_string(),
        ],
    );
    let coding_summary = layer_summary(
        "smoke_coding_outcome_evidence",
        &state.coding_benchmarks,
        &state.coding_conditions,
        &state.coding_claim_levels,
        state.coding_outcomes.len(),
        &[
            "Current committed coding artifacts are smoke-only.".to_string(),
            "The #385 claim gate requires no_memory, remem, and curated_file with at least three runs per condition.".to_string(),
        ],
    );

    Ok(PublicBaselineReport {
        schema_version: 1,
        report_id: "public-baseline-directional-v1".to_string(),
        report_kind: "baseline_directional_public_benchmark".to_string(),
        root: root.to_string_lossy().to_string(),
        created_at_epoch: state.max_created_at_epoch,
        claim_level: "directional_only_no_public_claim".to_string(),
        summary: BaselineSummary {
            memory_system: memory_summary,
            coding_agent: coding_summary,
            manifest_count: state.manifest_count,
            report_count: state.reports.len(),
            run_artifact_count: state.memory_outcomes.len() + state.coding_outcomes.len(),
        },
        reports: state.reports,
        memory_task_outcomes: state.memory_outcomes,
        coding_task_outcomes: state.coding_outcomes,
        coding_condition_variance,
        failure_decomposition: state.failure_decomposition,
        reproducibility: ReproducibilitySummary {
            remem_commits: sorted_vec(state.remem_commits),
            fixture_revisions: sorted_vec(state.fixture_revisions),
            docker_image_digests: sorted_vec(state.docker_image_digests),
            repo_base_commits: sorted_vec(state.repo_base_commits),
            prompt_hashes: sorted_vec(state.prompt_hashes),
            models: sorted_vec(state.models),
        },
        claim_gate,
        reproduction_commands: reproduction_commands(),
        artifact_verifier,
    })
}

pub fn render_public_baseline_markdown(report: &PublicBaselineReport) -> String {
    let mut out = String::new();
    out.push_str("# remem Public Baseline Directional Report\n\n");
    out.push_str("Claim level: `");
    out.push_str(&report.claim_level);
    out.push_str("`.\n\n");
    out.push_str("This report separates memory-system capability evidence from coding-agent outcome evidence. It is directional only and does not support SOTA, broad superiority, or coding-task superiority claims.\n\n");

    out.push_str("## Artifact Verification\n\n");
    out.push_str(&format!(
        "- Passed: `{}`\n- Manifests checked: `{}`\n- Reports checked: `{}`\n- Run artifacts checked: `{}`\n- Artifact files checked: `{}`\n\n",
        report.artifact_verifier.passed,
        report.artifact_verifier.manifests_checked,
        report.artifact_verifier.reports_checked,
        report.artifact_verifier.run_artifacts_checked,
        report.artifact_verifier.artifact_files_checked
    ));

    out.push_str("## Memory-System Capability\n\n");
    out.push_str("| Report | Runs | Claim level | Answer score | Support coverage | Citation recall | Non-retention leak rate |\n");
    out.push_str("|---|---:|---|---:|---:|---:|---:|\n");
    for entry in report
        .reports
        .iter()
        .filter(|entry| entry.layer == BenchmarkLayer::MemorySystemCapability)
    {
        out.push_str(&format!(
            "| `{}` | {} | `{}` | {} | {} | {} | {} |\n",
            escape_md(&entry.benchmark_id),
            entry.run_artifact_count,
            escape_md(&entry.claim_level),
            fmt_metric(metric_path(
                &entry.aggregate_metrics,
                &["overall", "answer_score"]
            )),
            fmt_metric(metric_path(
                &entry.aggregate_metrics,
                &["overall", "support_coverage"]
            )),
            fmt_metric(metric_path(
                &entry.aggregate_metrics,
                &["overall", "citation_recall"]
            )),
            fmt_metric(metric_path(
                &entry.aggregate_metrics,
                &["policy", "non_retention_leak_rate"]
            ))
        ));
    }
    out.push('\n');

    out.push_str("## Coding-Agent Outcome\n\n");
    out.push_str("| Condition | Runs | Resolved rate | Token mean | Token variance | Wall-time mean ms | Variance status |\n");
    out.push_str("|---|---:|---:|---:|---:|---:|---|\n");
    for variance in &report.coding_condition_variance {
        out.push_str(&format!(
            "| `{}` | {} | {:.3} | {} | {} | {} | `{}` |\n",
            escape_md(&variance.condition),
            variance.runs,
            variance.resolved_rate,
            fmt_metric(variance.tokens_total_mean),
            fmt_metric(variance.tokens_total_sample_variance),
            fmt_metric(variance.wall_time_ms_mean),
            escape_md(&variance.variance_status)
        ));
    }
    out.push('\n');

    out.push_str("## Coding Task Outcomes\n\n");
    out.push_str("| Task | Condition | Run | Resolved | Failure reason | Tokens | Wall time ms | Memory helped | Memory hurt |\n");
    out.push_str("|---|---|---:|---|---|---:|---:|---|---|\n");
    for run in &report.coding_task_outcomes {
        out.push_str(&format!(
            "| `{}` | `{}` | {} | `{}` | {} | {} | {} | {} | {} |\n",
            escape_md(&run.task_id),
            escape_md(&run.condition),
            run.run_index,
            run.resolved,
            run.failure_reason
                .as_deref()
                .map(|value| format!("`{}`", escape_md(value)))
                .unwrap_or_else(|| "`none`".to_string()),
            fmt_u64(run.tokens_total),
            fmt_u64(run.wall_time_ms),
            fmt_bool(run.memory_helped),
            fmt_bool(run.memory_hurt)
        ));
    }
    out.push('\n');

    out.push_str("## Failure Decomposition\n\n");
    out.push_str("Coding failure counts:\n\n");
    append_count_map(
        &mut out,
        &report.failure_decomposition.coding_failure_counts,
    );
    out.push_str("\nCoding memory-specific failure counts:\n\n");
    append_count_map(
        &mut out,
        &report.failure_decomposition.coding_memory_failure_counts,
    );
    out.push_str("\nMemory gap counts:\n\n");
    append_count_map(&mut out, &report.failure_decomposition.memory_gap_counts);
    out.push('\n');

    out.push_str("## Reproducibility\n\n");
    out.push_str("Run these commands from a clean checkout:\n\n");
    out.push_str("```bash\n");
    for command in &report.reproduction_commands {
        out.push_str(command);
        out.push('\n');
    }
    out.push_str("```\n\n");
    out.push_str("Locks and evidence are recorded in the JSON report under `reproducibility`, including remem commits, fixture revisions, Docker image digests, prompt hashes, model labels, and repo base commits when present.\n\n");

    out.push_str("## Claim Gate\n\n");
    out.push_str(&format!(
        "- Artifact verifier passed: `{}`\n- Coding outcome stop-loss status: `{}`\n- Public SOTA status: `{}`\n",
        report.claim_gate.artifact_verifier_passed,
        report.claim_gate.coding_outcome_stop_loss_status,
        report.claim_gate.public_sota_status
    ));
    for note in &report.claim_gate.notes {
        out.push_str("- ");
        out.push_str(note);
        out.push('\n');
    }

    out
}

fn load_report(root: &Path, path: &Path, state: &mut BuildState) -> Result<()> {
    let report: PublicBenchmarkReport = read_json(path)?;
    let report_path = relative_path(root, path);
    match report.layer {
        BenchmarkLayer::MemorySystemCapability => {
            state.memory_benchmarks.insert(report.benchmark_id.clone());
            state.memory_claim_levels.insert(report.claim_level.clone());
            for condition in &report.conditions {
                state.memory_conditions.insert(condition.clone());
            }
            load_memory_runs(root, &report_path, &report, state)?;
        }
        BenchmarkLayer::CodingAgentOutcome => {
            state.coding_benchmarks.insert(report.benchmark_id.clone());
            state.coding_claim_levels.insert(report.claim_level.clone());
            for condition in &report.conditions {
                state.coding_conditions.insert(condition.clone());
            }
            load_coding_runs(root, &report_path, &report, state)?;
        }
    }
    state.reports.push(BaselineReportEntry {
        path: report_path,
        benchmark_id: report.benchmark_id,
        benchmark_version: report.benchmark_version,
        layer: report.layer,
        conditions: report.conditions,
        run_artifact_count: report.run_artifacts.len(),
        claim_level: report.claim_level,
        aggregate_metrics: report.aggregate_metrics,
    });
    Ok(())
}

fn load_memory_runs(
    root: &Path,
    report_path: &str,
    report: &PublicBenchmarkReport,
    state: &mut BuildState,
) -> Result<()> {
    for run_path in &report.run_artifacts {
        let run: MemoryRunArtifact = read_json(&root.join(run_path))?;
        observe_environment(&run.environment, state);
        observe_model(&run.reader_model, state);
        observe_prompt_hash(&run.reader_model, state);
        if run.diagnosis.write_side_gap {
            increment(
                &mut state.failure_decomposition.memory_gap_counts,
                "write_side_gap",
            );
        }
        if run.diagnosis.retrieval_side_gap {
            increment(
                &mut state.failure_decomposition.memory_gap_counts,
                "retrieval_side_gap",
            );
        }
        if run.diagnosis.reader_gap {
            increment(
                &mut state.failure_decomposition.memory_gap_counts,
                "reader_gap",
            );
        }
        if run.diagnosis.policy_abstention {
            increment(
                &mut state.failure_decomposition.memory_gap_counts,
                "policy_abstention",
            );
        }
        state.memory_outcomes.push(MemoryTaskOutcome {
            report_path: report_path.to_string(),
            suite: run.suite,
            condition: run.condition,
            task_id: run.task_id,
            run_index: run.run_index,
            answer_score: metric_path(&run.metrics, &["answer_score"]),
            support_coverage: metric_path(&run.metrics, &["support_coverage"]),
            citation_recall: metric_path(&run.metrics, &["citation_recall"]),
            write_side_gap: run.diagnosis.write_side_gap,
            retrieval_side_gap: run.diagnosis.retrieval_side_gap,
            reader_gap: run.diagnosis.reader_gap,
            policy_abstention: run.diagnosis.policy_abstention,
        });
    }
    Ok(())
}

fn load_coding_runs(
    root: &Path,
    report_path: &str,
    report: &PublicBenchmarkReport,
    state: &mut BuildState,
) -> Result<()> {
    for run_path in &report.run_artifacts {
        let run: CodingRunArtifact = read_json(&root.join(run_path))?;
        observe_environment(&run.environment, state);
        observe_model(&run.model, state);
        observe_prompt_hash(&run.model, state);
        if let Some(reason) = &run.failure_reason {
            increment(
                &mut state.failure_decomposition.coding_failure_counts,
                reason,
            );
            if is_memory_specific_failure(reason) {
                increment(
                    &mut state.failure_decomposition.coding_memory_failure_counts,
                    reason,
                );
            }
        }
        state.coding_outcomes.push(CodingTaskOutcome {
            report_path: report_path.to_string(),
            condition: run.condition,
            task_id: run.task_id,
            run_index: run.run_index,
            resolved: run.resolved,
            failure_reason: run.failure_reason,
            tokens_total: run.metrics.tokens_total,
            turns: run.metrics.turns,
            wall_time_ms: run.metrics.wall_time_ms,
            memory_helped: run
                .memory_contract
                .as_ref()
                .map(|contract| contract.memory_helped),
            memory_hurt: run
                .memory_contract
                .as_ref()
                .map(|contract| contract.memory_hurt),
        });
    }
    Ok(())
}

fn coding_variance(outcomes: &[CodingTaskOutcome]) -> Vec<CodingConditionVariance> {
    let mut grouped: BTreeMap<String, Vec<&CodingTaskOutcome>> = BTreeMap::new();
    for outcome in outcomes {
        grouped
            .entry(outcome.condition.clone())
            .or_default()
            .push(outcome);
    }
    grouped
        .into_iter()
        .map(|(condition, runs)| {
            let resolved = runs.iter().filter(|run| run.resolved).count();
            let tokens = runs
                .iter()
                .filter_map(|run| run.tokens_total.map(|value| value as f64))
                .collect::<Vec<_>>();
            let wall = runs
                .iter()
                .filter_map(|run| run.wall_time_ms.map(|value| value as f64))
                .collect::<Vec<_>>();
            let variance_status = if runs.len() >= 3 {
                "satisfied"
            } else {
                "insufficient_runs_for_variance"
            }
            .to_string();
            CodingConditionVariance {
                condition,
                runs: runs.len(),
                resolved_rate: resolved as f64 / runs.len() as f64,
                tokens_total_mean: mean(&tokens),
                tokens_total_sample_variance: sample_variance(&tokens),
                wall_time_ms_mean: mean(&wall),
                wall_time_ms_sample_variance: sample_variance(&wall),
                variance_status,
            }
        })
        .collect()
}

fn claim_gate(
    artifact_verifier: &BenchVerifyReport,
    state: &BuildState,
    variance: &[CodingConditionVariance],
) -> ClaimGateSummary {
    let required_conditions = ["no_memory", "remem", "curated_file"];
    let has_required_conditions = required_conditions
        .iter()
        .all(|condition| state.coding_conditions.contains(*condition));
    let has_three_runs = variance.iter().all(|entry| entry.runs >= 3);
    let coding_outcome_stop_loss_status = if has_required_conditions && has_three_runs {
        "ready_for_stop_loss_evaluation"
    } else {
        "not_evaluated_insufficient_coding_matrix"
    };
    let mut notes = vec![
        "This baseline is directional only and must not be used for coding-task superiority claims.".to_string(),
        "README and release wording must not claim SOTA or coding outcome improvement from this report.".to_string(),
    ];
    if !has_required_conditions {
        notes.push(
            "Coding artifacts do not yet include no_memory, remem, and curated_file conditions."
                .to_string(),
        );
    }
    if !has_three_runs {
        notes.push(
            "Coding artifacts do not yet have at least three runs per condition.".to_string(),
        );
    }
    ClaimGateSummary {
        artifact_verifier_passed: artifact_verifier.passed,
        coding_outcome_stop_loss_status: coding_outcome_stop_loss_status.to_string(),
        public_sota_status: "not_evaluated_no_public_sota_claim".to_string(),
        notes,
    }
}

fn layer_summary(
    status: &str,
    benchmark_ids: &BTreeSet<String>,
    conditions: &BTreeSet<String>,
    claim_levels: &BTreeSet<String>,
    run_artifact_count: usize,
    notes: &[String],
) -> BaselineLayerSummary {
    BaselineLayerSummary {
        status: status.to_string(),
        report_count: claim_levels.len().max(benchmark_ids.len()),
        run_artifact_count,
        benchmark_ids: sorted_vec(benchmark_ids.clone()),
        conditions: sorted_vec(conditions.clone()),
        claim_levels: sorted_vec(claim_levels.clone()),
        notes: notes.to_vec(),
    }
}

fn read_json<T: DeserializeOwned>(path: &Path) -> Result<T> {
    let content = fs::read_to_string(path).with_context(|| format!("read {}", path.display()))?;
    serde_json::from_str(&content).with_context(|| format!("parse {}", path.display()))
}

fn write_text_file(path: &Path, content: &str) -> Result<()> {
    if let Some(parent) = path.parent() {
        if !parent.as_os_str().is_empty() {
            fs::create_dir_all(parent)
                .with_context(|| format!("create report directory {}", parent.display()))?;
        }
    }
    fs::write(path, content).with_context(|| format!("write {}", path.display()))
}

fn observe_environment(environment: &RunEnvironment, state: &mut BuildState) {
    insert_non_empty(&mut state.remem_commits, &environment.remem_commit);
    if let Some(value) = &environment.fixture_revision {
        insert_non_empty(&mut state.fixture_revisions, value);
    }
    if let Some(value) = &environment.docker_image_digest {
        insert_non_empty(&mut state.docker_image_digests, value);
    }
    if let Some(value) = &environment.repo_base_commit {
        insert_non_empty(&mut state.repo_base_commits, value);
    }
}

fn observe_model(model: &Value, state: &mut BuildState) {
    let provider = value_string(model, "provider")
        .or_else(|| value_string(model, "agent"))
        .unwrap_or_else(|| "unknown".to_string());
    let name = value_string(model, "model").unwrap_or_else(|| "unknown".to_string());
    insert_non_empty(&mut state.models, &format!("{provider}/{name}"));
}

fn observe_prompt_hash(model: &Value, state: &mut BuildState) {
    if let Some(value) = value_string(model, "prompt_hash") {
        insert_non_empty(&mut state.prompt_hashes, &value);
    }
}

fn value_string(value: &Value, key: &str) -> Option<String> {
    value
        .get(key)
        .and_then(Value::as_str)
        .map(ToString::to_string)
}

fn insert_non_empty(set: &mut BTreeSet<String>, value: &str) {
    if !value.trim().is_empty() {
        set.insert(value.to_string());
    }
}

fn metric_path(value: &Value, path: &[&str]) -> Option<f64> {
    let mut cursor = value;
    for segment in path {
        cursor = cursor.get(*segment)?;
    }
    cursor.as_f64()
}

fn mean(values: &[f64]) -> Option<f64> {
    (!values.is_empty()).then(|| values.iter().sum::<f64>() / values.len() as f64)
}

fn sample_variance(values: &[f64]) -> Option<f64> {
    if values.len() < 2 {
        return None;
    }
    let average = mean(values)?;
    Some(
        values
            .iter()
            .map(|value| {
                let delta = value - average;
                delta * delta
            })
            .sum::<f64>()
            / (values.len() - 1) as f64,
    )
}

fn increment(map: &mut BTreeMap<String, usize>, key: &str) {
    *map.entry(key.to_string()).or_default() += 1;
}

fn is_memory_specific_failure(reason: &str) -> bool {
    matches!(
        reason,
        "ignored_memory"
            | "missing_memory"
            | "stale_memory_followed"
            | "irrelevant_memory_distracted"
            | "agent_hallucinated_memory"
    )
}

fn sorted_vec(set: BTreeSet<String>) -> Vec<String> {
    set.into_iter().collect()
}

fn relative_path(root: &Path, path: &Path) -> String {
    path.strip_prefix(root)
        .unwrap_or(path)
        .to_string_lossy()
        .replace('\\', "/")
}

fn reproduction_commands() -> Vec<String> {
    vec![
        "cargo run -- bench verify --root eval/public --json-out /tmp/remem-public-bench-verify.json".to_string(),
        "cargo run -- bench report --root eval/public --json-out eval/public/reports/baseline.json --markdown-out eval/public/reports/baseline.md".to_string(),
        "cargo run -- bench coding --suite issue385-v1 --dry-run --json-out /tmp/remem-issue385-v1-dry-run.json".to_string(),
        "cargo run -- bench memory --suite remem-code-memory --condition remem_default --root eval/public --artifact-prefix memory/artifacts/remem-code-memory-v1 --json-out eval/public/memory/reports/remem-code-memory-v1.json".to_string(),
        "cargo run -- bench memory --suite adversarial-policy --condition remem_default --root eval/public --artifact-prefix memory/artifacts/adversarial-policy-v1 --json-out eval/public/memory/reports/adversarial-policy-v1.json".to_string(),
    ]
}

fn escape_md(value: &str) -> String {
    value.replace('|', "\\|")
}

fn fmt_metric(value: Option<f64>) -> String {
    value
        .map(|value| format!("{value:.3}"))
        .unwrap_or_else(|| "n/a".to_string())
}

fn fmt_u64(value: Option<u64>) -> String {
    value
        .map(|value| value.to_string())
        .unwrap_or_else(|| "n/a".to_string())
}

fn fmt_bool(value: Option<bool>) -> String {
    value
        .map(|value| format!("`{value}`"))
        .unwrap_or_else(|| "`n/a`".to_string())
}

fn append_count_map(out: &mut String, map: &BTreeMap<String, usize>) {
    if map.is_empty() {
        out.push_str("- none\n");
        return;
    }
    for (key, count) in map {
        out.push_str(&format!("- `{}`: {}\n", escape_md(key), count));
    }
}