zeph_core/
metrics.rs

1// SPDX-FileCopyrightText: 2026 Andrei G <bug-ops>
2// SPDX-License-Identifier: MIT OR Apache-2.0
3
4use std::collections::VecDeque;
5
6use tokio::sync::watch;
7
8/// Category of a security event for TUI display.
9#[derive(Debug, Clone, Copy, PartialEq, Eq)]
10pub enum SecurityEventCategory {
11    InjectionFlag,
12    ExfiltrationBlock,
13    Quarantine,
14    Truncation,
15}
16
17impl SecurityEventCategory {
18    #[must_use]
19    pub fn as_str(self) -> &'static str {
20        match self {
21            Self::InjectionFlag => "injection",
22            Self::ExfiltrationBlock => "exfil",
23            Self::Quarantine => "quarantine",
24            Self::Truncation => "truncation",
25        }
26    }
27}
28
29/// A single security event record for TUI display.
30#[derive(Debug, Clone)]
31pub struct SecurityEvent {
32    /// Unix timestamp (seconds since epoch).
33    pub timestamp: u64,
34    pub category: SecurityEventCategory,
35    /// Source that triggered the event (e.g., `web_scrape`, `mcp_response`).
36    pub source: String,
37    /// Short description, capped at 128 chars.
38    pub detail: String,
39}
40
41impl SecurityEvent {
42    #[must_use]
43    pub fn new(
44        category: SecurityEventCategory,
45        source: impl Into<String>,
46        detail: impl Into<String>,
47    ) -> Self {
48        // IMP-1: cap source at 64 chars and strip ASCII control chars.
49        let source: String = source
50            .into()
51            .chars()
52            .filter(|c| !c.is_ascii_control())
53            .take(64)
54            .collect();
55        // CR-1: UTF-8 safe truncation using floor_char_boundary (stable since Rust 1.82).
56        let detail = detail.into();
57        let detail = if detail.len() > 128 {
58            let end = detail.floor_char_boundary(127);
59            format!("{}…", &detail[..end])
60        } else {
61            detail
62        };
63        Self {
64            timestamp: std::time::SystemTime::now()
65                .duration_since(std::time::UNIX_EPOCH)
66                .unwrap_or_default()
67                .as_secs(),
68            category,
69            source,
70            detail,
71        }
72    }
73}
74
75/// Ring buffer capacity for security events.
76pub const SECURITY_EVENT_CAP: usize = 100;
77
78/// Lightweight snapshot of a single task row for TUI display.
79///
80/// Cloned from [`TaskGraph`] on each metrics tick; kept minimal on purpose.
81#[derive(Debug, Clone)]
82pub struct TaskSnapshotRow {
83    pub id: u32,
84    pub title: String,
85    /// Stringified `TaskStatus` (e.g. `"pending"`, `"running"`, `"completed"`).
86    pub status: String,
87    pub agent: Option<String>,
88    pub duration_ms: u64,
89    /// Truncated error message (first 80 chars) when the task failed.
90    pub error: Option<String>,
91}
92
93/// Lightweight snapshot of a `TaskGraph` for TUI display.
94#[derive(Debug, Clone, Default)]
95pub struct TaskGraphSnapshot {
96    pub graph_id: String,
97    pub goal: String,
98    /// Stringified `GraphStatus` (e.g. `"created"`, `"running"`, `"completed"`).
99    pub status: String,
100    pub tasks: Vec<TaskSnapshotRow>,
101    pub completed_at: Option<std::time::Instant>,
102}
103
104impl TaskGraphSnapshot {
105    /// Returns `true` if this snapshot represents a terminal plan that finished
106    /// more than 30 seconds ago and should no longer be shown in the TUI.
107    #[must_use]
108    pub fn is_stale(&self) -> bool {
109        self.completed_at
110            .is_some_and(|t| t.elapsed().as_secs() > 30)
111    }
112}
113
114/// Counters for the task orchestration subsystem.
115///
116/// Always present in [`MetricsSnapshot`]; zero-valued when orchestration is inactive.
117#[derive(Debug, Clone, Default)]
118pub struct OrchestrationMetrics {
119    pub plans_total: u64,
120    pub tasks_total: u64,
121    pub tasks_completed: u64,
122    pub tasks_failed: u64,
123    pub tasks_skipped: u64,
124}
125
126/// Bayesian confidence data for a single skill, used by TUI confidence bar.
127#[derive(Debug, Clone, Default)]
128pub struct SkillConfidence {
129    pub name: String,
130    pub posterior: f64,
131    pub total_uses: u32,
132}
133
134/// Snapshot of a single sub-agent's runtime status.
135#[derive(Debug, Clone, Default)]
136pub struct SubAgentMetrics {
137    pub id: String,
138    pub name: String,
139    /// Stringified `TaskState`: "working", "completed", "failed", "canceled", etc.
140    pub state: String,
141    pub turns_used: u32,
142    pub max_turns: u32,
143    pub background: bool,
144    pub elapsed_secs: u64,
145    /// Stringified `PermissionMode`: `"default"`, `"accept_edits"`, `"dont_ask"`,
146    /// `"bypass_permissions"`, `"plan"`. Empty string when mode is `Default`.
147    pub permission_mode: String,
148}
149
150#[derive(Debug, Clone, Default)]
151pub struct MetricsSnapshot {
152    pub prompt_tokens: u64,
153    pub completion_tokens: u64,
154    pub total_tokens: u64,
155    pub context_tokens: u64,
156    pub api_calls: u64,
157    pub active_skills: Vec<String>,
158    pub total_skills: usize,
159    pub mcp_server_count: usize,
160    pub mcp_tool_count: usize,
161    pub active_mcp_tools: Vec<String>,
162    pub sqlite_message_count: u64,
163    pub sqlite_conversation_id: Option<zeph_memory::ConversationId>,
164    pub qdrant_available: bool,
165    pub vector_backend: String,
166    pub embeddings_generated: u64,
167    pub last_llm_latency_ms: u64,
168    pub uptime_seconds: u64,
169    pub provider_name: String,
170    pub model_name: String,
171    pub summaries_count: u64,
172    pub context_compactions: u64,
173    pub compression_events: u64,
174    pub compression_tokens_saved: u64,
175    pub tool_output_prunes: u64,
176    pub cache_read_tokens: u64,
177    pub cache_creation_tokens: u64,
178    pub cost_spent_cents: f64,
179    pub filter_raw_tokens: u64,
180    pub filter_saved_tokens: u64,
181    pub filter_applications: u64,
182    pub filter_total_commands: u64,
183    pub filter_filtered_commands: u64,
184    pub filter_confidence_full: u64,
185    pub filter_confidence_partial: u64,
186    pub filter_confidence_fallback: u64,
187    pub cancellations: u64,
188    pub server_compaction_events: u64,
189    pub sanitizer_runs: u64,
190    pub sanitizer_injection_flags: u64,
191    pub sanitizer_truncations: u64,
192    pub quarantine_invocations: u64,
193    pub quarantine_failures: u64,
194    pub exfiltration_images_blocked: u64,
195    pub exfiltration_tool_urls_flagged: u64,
196    pub exfiltration_memory_guards: u64,
197    pub sub_agents: Vec<SubAgentMetrics>,
198    pub skill_confidence: Vec<SkillConfidence>,
199    /// Scheduled task summaries: `[name, kind, mode, next_run]`.
200    pub scheduled_tasks: Vec<[String; 4]>,
201    /// Thompson Sampling distribution snapshots: `(provider, alpha, beta)`.
202    pub router_thompson_stats: Vec<(String, f64, f64)>,
203    /// Ring buffer of recent security events (cap 100, FIFO eviction).
204    pub security_events: VecDeque<SecurityEvent>,
205    pub orchestration: OrchestrationMetrics,
206    /// Live snapshot of the currently active task graph. `None` when no plan is active.
207    pub orchestration_graph: Option<TaskGraphSnapshot>,
208    pub graph_community_detection_failures: u64,
209    pub graph_entities_total: u64,
210    pub graph_edges_total: u64,
211    pub graph_communities_total: u64,
212    pub graph_extraction_count: u64,
213    pub graph_extraction_failures: u64,
214}
215
216/// Strip ASCII control characters and ANSI escape sequences from a string for safe TUI display.
217///
218/// Allows tab, LF, and CR; removes everything else in the `0x00–0x1F` range including full
219/// ANSI CSI sequences (`ESC[...`). This prevents escape-sequence injection from LLM planner
220/// output into the TUI.
221fn strip_ctrl(s: &str) -> String {
222    let mut out = String::with_capacity(s.len());
223    let mut chars = s.chars().peekable();
224    while let Some(c) = chars.next() {
225        if c == '\x1b' {
226            // Consume an ANSI CSI sequence: ESC [ <params> <final-byte in 0x40–0x7E>
227            if chars.peek() == Some(&'[') {
228                chars.next(); // consume '['
229                for inner in chars.by_ref() {
230                    if ('\x40'..='\x7e').contains(&inner) {
231                        break;
232                    }
233                }
234            }
235            // Drop ESC and any consumed sequence — write nothing.
236        } else if c.is_control() && c != '\t' && c != '\n' && c != '\r' {
237            // drop other control chars
238        } else {
239            out.push(c);
240        }
241    }
242    out
243}
244
245/// Convert a live `TaskGraph` into a lightweight snapshot for TUI display.
246impl From<&crate::orchestration::TaskGraph> for TaskGraphSnapshot {
247    fn from(graph: &crate::orchestration::TaskGraph) -> Self {
248        let tasks = graph
249            .tasks
250            .iter()
251            .map(|t| {
252                let error = t
253                    .result
254                    .as_ref()
255                    .filter(|_| t.status == crate::orchestration::TaskStatus::Failed)
256                    .and_then(|r| {
257                        if r.output.is_empty() {
258                            None
259                        } else {
260                            // Strip control chars, then truncate at 80 chars (SEC-P6-01).
261                            let s = strip_ctrl(&r.output);
262                            if s.len() > 80 {
263                                let end = s.floor_char_boundary(79);
264                                Some(format!("{}…", &s[..end]))
265                            } else {
266                                Some(s)
267                            }
268                        }
269                    });
270                let duration_ms = t.result.as_ref().map_or(0, |r| r.duration_ms);
271                TaskSnapshotRow {
272                    id: t.id.0,
273                    title: strip_ctrl(&t.title),
274                    status: t.status.to_string(),
275                    agent: t.assigned_agent.as_deref().map(strip_ctrl),
276                    duration_ms,
277                    error,
278                }
279            })
280            .collect();
281        Self {
282            graph_id: graph.id.to_string(),
283            goal: strip_ctrl(&graph.goal),
284            status: graph.status.to_string(),
285            tasks,
286            completed_at: None,
287        }
288    }
289}
290
291pub struct MetricsCollector {
292    tx: watch::Sender<MetricsSnapshot>,
293}
294
295impl MetricsCollector {
296    #[must_use]
297    pub fn new() -> (Self, watch::Receiver<MetricsSnapshot>) {
298        let (tx, rx) = watch::channel(MetricsSnapshot::default());
299        (Self { tx }, rx)
300    }
301
302    pub fn update(&self, f: impl FnOnce(&mut MetricsSnapshot)) {
303        self.tx.send_modify(f);
304    }
305}
306
307#[cfg(test)]
308mod tests {
309    #![allow(clippy::field_reassign_with_default)]
310
311    use super::*;
312
313    #[test]
314    fn default_metrics_snapshot() {
315        let m = MetricsSnapshot::default();
316        assert_eq!(m.total_tokens, 0);
317        assert_eq!(m.api_calls, 0);
318        assert!(m.active_skills.is_empty());
319        assert!(m.active_mcp_tools.is_empty());
320        assert_eq!(m.mcp_tool_count, 0);
321        assert_eq!(m.mcp_server_count, 0);
322        assert!(m.provider_name.is_empty());
323        assert_eq!(m.summaries_count, 0);
324    }
325
326    #[test]
327    fn metrics_collector_update() {
328        let (collector, rx) = MetricsCollector::new();
329        collector.update(|m| {
330            m.api_calls = 5;
331            m.total_tokens = 1000;
332        });
333        let snapshot = rx.borrow().clone();
334        assert_eq!(snapshot.api_calls, 5);
335        assert_eq!(snapshot.total_tokens, 1000);
336    }
337
338    #[test]
339    fn metrics_collector_multiple_updates() {
340        let (collector, rx) = MetricsCollector::new();
341        collector.update(|m| m.api_calls = 1);
342        collector.update(|m| m.api_calls += 1);
343        assert_eq!(rx.borrow().api_calls, 2);
344    }
345
346    #[test]
347    fn metrics_snapshot_clone() {
348        let mut m = MetricsSnapshot::default();
349        m.provider_name = "ollama".into();
350        let cloned = m.clone();
351        assert_eq!(cloned.provider_name, "ollama");
352    }
353
354    #[test]
355    fn filter_metrics_tracking() {
356        let (collector, rx) = MetricsCollector::new();
357        collector.update(|m| {
358            m.filter_raw_tokens += 250;
359            m.filter_saved_tokens += 200;
360            m.filter_applications += 1;
361        });
362        collector.update(|m| {
363            m.filter_raw_tokens += 100;
364            m.filter_saved_tokens += 80;
365            m.filter_applications += 1;
366        });
367        let s = rx.borrow();
368        assert_eq!(s.filter_raw_tokens, 350);
369        assert_eq!(s.filter_saved_tokens, 280);
370        assert_eq!(s.filter_applications, 2);
371    }
372
373    #[test]
374    fn filter_confidence_and_command_metrics() {
375        let (collector, rx) = MetricsCollector::new();
376        collector.update(|m| {
377            m.filter_total_commands += 1;
378            m.filter_filtered_commands += 1;
379            m.filter_confidence_full += 1;
380        });
381        collector.update(|m| {
382            m.filter_total_commands += 1;
383            m.filter_confidence_partial += 1;
384        });
385        let s = rx.borrow();
386        assert_eq!(s.filter_total_commands, 2);
387        assert_eq!(s.filter_filtered_commands, 1);
388        assert_eq!(s.filter_confidence_full, 1);
389        assert_eq!(s.filter_confidence_partial, 1);
390        assert_eq!(s.filter_confidence_fallback, 0);
391    }
392
393    #[test]
394    fn summaries_count_tracks_summarizations() {
395        let (collector, rx) = MetricsCollector::new();
396        collector.update(|m| m.summaries_count += 1);
397        collector.update(|m| m.summaries_count += 1);
398        assert_eq!(rx.borrow().summaries_count, 2);
399    }
400
401    #[test]
402    fn cancellations_counter_increments() {
403        let (collector, rx) = MetricsCollector::new();
404        assert_eq!(rx.borrow().cancellations, 0);
405        collector.update(|m| m.cancellations += 1);
406        collector.update(|m| m.cancellations += 1);
407        assert_eq!(rx.borrow().cancellations, 2);
408    }
409
410    #[test]
411    fn security_event_detail_exact_128_not_truncated() {
412        let s = "a".repeat(128);
413        let ev = SecurityEvent::new(SecurityEventCategory::InjectionFlag, "src", s.clone());
414        assert_eq!(ev.detail, s, "128-char string must not be truncated");
415    }
416
417    #[test]
418    fn security_event_detail_129_is_truncated() {
419        let s = "a".repeat(129);
420        let ev = SecurityEvent::new(SecurityEventCategory::InjectionFlag, "src", s);
421        assert!(
422            ev.detail.ends_with('…'),
423            "129-char string must end with ellipsis"
424        );
425        assert!(
426            ev.detail.len() <= 130,
427            "truncated detail must be at most 130 bytes"
428        );
429    }
430
431    #[test]
432    fn security_event_detail_multibyte_utf8_no_panic() {
433        // Each '中' is 3 bytes. 43 chars = 129 bytes — triggers truncation at a multi-byte boundary.
434        let s = "中".repeat(43);
435        let ev = SecurityEvent::new(SecurityEventCategory::InjectionFlag, "src", s);
436        assert!(ev.detail.ends_with('…'));
437    }
438
439    #[test]
440    fn security_event_source_capped_at_64_chars() {
441        let long_source = "x".repeat(200);
442        let ev = SecurityEvent::new(SecurityEventCategory::InjectionFlag, long_source, "detail");
443        assert_eq!(ev.source.len(), 64);
444    }
445
446    #[test]
447    fn security_event_source_strips_control_chars() {
448        let source = "tool\x00name\x1b[31m";
449        let ev = SecurityEvent::new(SecurityEventCategory::InjectionFlag, source, "detail");
450        assert!(!ev.source.contains('\x00'));
451        assert!(!ev.source.contains('\x1b'));
452    }
453
454    #[test]
455    fn security_event_category_as_str() {
456        assert_eq!(SecurityEventCategory::InjectionFlag.as_str(), "injection");
457        assert_eq!(SecurityEventCategory::ExfiltrationBlock.as_str(), "exfil");
458        assert_eq!(SecurityEventCategory::Quarantine.as_str(), "quarantine");
459        assert_eq!(SecurityEventCategory::Truncation.as_str(), "truncation");
460    }
461
462    #[test]
463    fn ring_buffer_respects_cap_via_update() {
464        let (collector, rx) = MetricsCollector::new();
465        for i in 0..110u64 {
466            let event = SecurityEvent::new(
467                SecurityEventCategory::InjectionFlag,
468                "src",
469                format!("event {i}"),
470            );
471            collector.update(|m| {
472                if m.security_events.len() >= SECURITY_EVENT_CAP {
473                    m.security_events.pop_front();
474                }
475                m.security_events.push_back(event);
476            });
477        }
478        let snap = rx.borrow();
479        assert_eq!(snap.security_events.len(), SECURITY_EVENT_CAP);
480        // FIFO: earliest events evicted, last one present
481        assert!(snap.security_events.back().unwrap().detail.contains("109"));
482    }
483
484    #[test]
485    fn security_events_empty_by_default() {
486        let m = MetricsSnapshot::default();
487        assert!(m.security_events.is_empty());
488    }
489
490    #[test]
491    fn orchestration_metrics_default_zero() {
492        let m = OrchestrationMetrics::default();
493        assert_eq!(m.plans_total, 0);
494        assert_eq!(m.tasks_total, 0);
495        assert_eq!(m.tasks_completed, 0);
496        assert_eq!(m.tasks_failed, 0);
497        assert_eq!(m.tasks_skipped, 0);
498    }
499
500    #[test]
501    fn metrics_snapshot_includes_orchestration_default_zero() {
502        let m = MetricsSnapshot::default();
503        assert_eq!(m.orchestration.plans_total, 0);
504        assert_eq!(m.orchestration.tasks_total, 0);
505        assert_eq!(m.orchestration.tasks_completed, 0);
506    }
507
508    #[test]
509    fn orchestration_metrics_update_via_collector() {
510        let (collector, rx) = MetricsCollector::new();
511        collector.update(|m| {
512            m.orchestration.plans_total += 1;
513            m.orchestration.tasks_total += 5;
514            m.orchestration.tasks_completed += 3;
515            m.orchestration.tasks_failed += 1;
516            m.orchestration.tasks_skipped += 1;
517        });
518        let s = rx.borrow();
519        assert_eq!(s.orchestration.plans_total, 1);
520        assert_eq!(s.orchestration.tasks_total, 5);
521        assert_eq!(s.orchestration.tasks_completed, 3);
522        assert_eq!(s.orchestration.tasks_failed, 1);
523        assert_eq!(s.orchestration.tasks_skipped, 1);
524    }
525
526    #[test]
527    fn strip_ctrl_removes_escape_sequences() {
528        let input = "hello\x1b[31mworld\x00end";
529        let result = strip_ctrl(input);
530        assert_eq!(result, "helloworldend");
531    }
532
533    #[test]
534    fn strip_ctrl_allows_tab_lf_cr() {
535        let input = "a\tb\nc\rd";
536        let result = strip_ctrl(input);
537        assert_eq!(result, "a\tb\nc\rd");
538    }
539
540    #[test]
541    fn task_graph_snapshot_is_stale_after_30s() {
542        let mut snap = TaskGraphSnapshot::default();
543        // Not stale if no completed_at.
544        assert!(!snap.is_stale());
545        // Not stale if just completed.
546        snap.completed_at = Some(std::time::Instant::now());
547        assert!(!snap.is_stale());
548        // Stale if completed more than 30s ago.
549        snap.completed_at = Some(
550            std::time::Instant::now()
551                .checked_sub(std::time::Duration::from_secs(31))
552                .unwrap(),
553        );
554        assert!(snap.is_stale());
555    }
556
557    // T1: From<&TaskGraph> correctly maps fields including duration_ms and error truncation.
558    #[test]
559    fn task_graph_snapshot_from_task_graph_maps_fields() {
560        use crate::orchestration::{GraphStatus, TaskGraph, TaskNode, TaskResult, TaskStatus};
561
562        let mut graph = TaskGraph::new("My goal");
563        let mut task = TaskNode::new(0, "Do work", "description");
564        task.status = TaskStatus::Failed;
565        task.assigned_agent = Some("agent-1".into());
566        task.result = Some(TaskResult {
567            output: "error occurred here".into(),
568            artifacts: vec![],
569            duration_ms: 1234,
570            agent_id: None,
571            agent_def: None,
572        });
573        graph.tasks.push(task);
574        graph.status = GraphStatus::Failed;
575
576        let snap = TaskGraphSnapshot::from(&graph);
577        assert_eq!(snap.goal, "My goal");
578        assert_eq!(snap.status, "failed");
579        assert_eq!(snap.tasks.len(), 1);
580        let row = &snap.tasks[0];
581        assert_eq!(row.title, "Do work");
582        assert_eq!(row.status, "failed");
583        assert_eq!(row.agent.as_deref(), Some("agent-1"));
584        assert_eq!(row.duration_ms, 1234);
585        assert!(row.error.as_deref().unwrap().contains("error occurred"));
586    }
587
588    // T2: From impl compiles with orchestration feature active.
589    #[test]
590    fn task_graph_snapshot_from_compiles_with_feature() {
591        use crate::orchestration::TaskGraph;
592        let graph = TaskGraph::new("feature flag test");
593        let snap = TaskGraphSnapshot::from(&graph);
594        assert_eq!(snap.goal, "feature flag test");
595        assert!(snap.tasks.is_empty());
596        assert!(!snap.is_stale());
597    }
598
599    // T1-extra: long error is truncated with ellipsis.
600    #[test]
601    fn task_graph_snapshot_error_truncated_at_80_chars() {
602        use crate::orchestration::{TaskGraph, TaskNode, TaskResult, TaskStatus};
603
604        let mut graph = TaskGraph::new("goal");
605        let mut task = TaskNode::new(0, "t", "d");
606        task.status = TaskStatus::Failed;
607        task.result = Some(TaskResult {
608            output: "e".repeat(100),
609            artifacts: vec![],
610            duration_ms: 0,
611            agent_id: None,
612            agent_def: None,
613        });
614        graph.tasks.push(task);
615
616        let snap = TaskGraphSnapshot::from(&graph);
617        let err = snap.tasks[0].error.as_ref().unwrap();
618        assert!(err.ends_with('…'), "truncated error must end with ellipsis");
619        assert!(
620            err.len() <= 83,
621            "truncated error must not exceed 80 chars + ellipsis"
622        );
623    }
624
625    // SEC-P6-01: control chars in task title are stripped.
626    #[test]
627    fn task_graph_snapshot_strips_control_chars_from_title() {
628        use crate::orchestration::{TaskGraph, TaskNode};
629
630        let mut graph = TaskGraph::new("goal\x1b[31m");
631        let task = TaskNode::new(0, "title\x00injected", "d");
632        graph.tasks.push(task);
633
634        let snap = TaskGraphSnapshot::from(&graph);
635        assert!(!snap.goal.contains('\x1b'), "goal must not contain escape");
636        assert!(
637            !snap.tasks[0].title.contains('\x00'),
638            "title must not contain null byte"
639        );
640    }
641
642    #[test]
643    fn graph_metrics_default_zero() {
644        let m = MetricsSnapshot::default();
645        assert_eq!(m.graph_entities_total, 0);
646        assert_eq!(m.graph_edges_total, 0);
647        assert_eq!(m.graph_communities_total, 0);
648        assert_eq!(m.graph_extraction_count, 0);
649        assert_eq!(m.graph_extraction_failures, 0);
650    }
651
652    #[test]
653    fn graph_metrics_update_via_collector() {
654        let (collector, rx) = MetricsCollector::new();
655        collector.update(|m| {
656            m.graph_entities_total = 5;
657            m.graph_edges_total = 10;
658            m.graph_communities_total = 2;
659            m.graph_extraction_count = 7;
660            m.graph_extraction_failures = 1;
661        });
662        let snapshot = rx.borrow().clone();
663        assert_eq!(snapshot.graph_entities_total, 5);
664        assert_eq!(snapshot.graph_edges_total, 10);
665        assert_eq!(snapshot.graph_communities_total, 2);
666        assert_eq!(snapshot.graph_extraction_count, 7);
667        assert_eq!(snapshot.graph_extraction_failures, 1);
668    }
669}
zeph_core/metrics.rs

zeph_core/
metrics.rs
