feat: add ecc2 graph observations

ecc2/src/main.rs

@@ -457,6 +457,39 @@ enum GraphCommands {
         #[arg(long)]
         json: bool,
     },
+    /// Record an observation against a context graph entity
+    AddObservation {
+        /// Optional source session ID or alias for provenance
+        #[arg(long)]
+        session_id: Option<String>,
+        /// Entity ID
+        #[arg(long)]
+        entity_id: i64,
+        /// Observation type such as completion_summary, incident_note, or reminder
+        #[arg(long = "type")]
+        observation_type: String,
+        /// Observation summary
+        #[arg(long)]
+        summary: String,
+        /// Details in key=value form
+        #[arg(long = "detail")]
+        details: Vec<String>,
+        /// Emit machine-readable JSON instead of the human summary
+        #[arg(long)]
+        json: bool,
+    },
+    /// List observations in the shared context graph
+    Observations {
+        /// Filter to observations for a specific entity ID
+        #[arg(long)]
+        entity_id: Option<i64>,
+        /// Maximum observations to return
+        #[arg(long, default_value_t = 20)]
+        limit: usize,
+        /// Emit machine-readable JSON instead of the human summary
+        #[arg(long)]
+        json: bool,
+    },
     /// Recall relevant context graph entities for a query
     Recall {
         /// Filter by source session ID or alias
@@ -1243,6 +1276,44 @@ async fn main() -> Result<()> {
                     println!("{}", format_graph_relations_human(&relations));
                 }
             }
+            GraphCommands::AddObservation {
+                session_id,
+                entity_id,
+                observation_type,
+                summary,
+                details,
+                json,
+            } => {
+                let resolved_session_id = session_id
+                    .as_deref()
+                    .map(|value| resolve_session_id(&db, value))
+                    .transpose()?;
+                let details = parse_key_value_pairs(&details, "graph observation details")?;
+                let observation = db.add_context_observation(
+                    resolved_session_id.as_deref(),
+                    entity_id,
+                    &observation_type,
+                    &summary,
+                    &details,
+                )?;
+                if json {
+                    println!("{}", serde_json::to_string_pretty(&observation)?);
+                } else {
+                    println!("{}", format_graph_observation_human(&observation));
+                }
+            }
+            GraphCommands::Observations {
+                entity_id,
+                limit,
+                json,
+            } => {
+                let observations = db.list_context_observations(entity_id, limit)?;
+                if json {
+                    println!("{}", serde_json::to_string_pretty(&observations)?);
+                } else {
+                    println!("{}", format_graph_observations_human(&observations));
+                }
+            }
             GraphCommands::Recall {
                 session_id,
                 query,
@@ -2249,6 +2320,58 @@ fn format_graph_relations_human(relations: &[session::ContextGraphRelation]) ->
     lines.join("\n")
 }
 
+fn format_graph_observation_human(observation: &session::ContextGraphObservation) -> String {
+    let mut lines = vec![
+        format!("Context graph observation #{}", observation.id),
+        format!(
+            "Entity: #{} [{}] {}",
+            observation.entity_id, observation.entity_type, observation.entity_name
+        ),
+        format!("Type: {}", observation.observation_type),
+        format!("Summary: {}", observation.summary),
+    ];
+    if let Some(session_id) = observation.session_id.as_deref() {
+        lines.push(format!("Session: {}", short_session(session_id)));
+    }
+    if observation.details.is_empty() {
+        lines.push("Details: none recorded".to_string());
+    } else {
+        lines.push("Details:".to_string());
+        for (key, value) in &observation.details {
+            lines.push(format!("- {key}={value}"));
+        }
+    }
+    lines.push(format!(
+        "Created: {}",
+        observation.created_at.format("%Y-%m-%d %H:%M:%S UTC")
+    ));
+    lines.join("\n")
+}
+
+fn format_graph_observations_human(observations: &[session::ContextGraphObservation]) -> String {
+    if observations.is_empty() {
+        return "No context graph observations found.".to_string();
+    }
+
+    let mut lines = vec![format!(
+        "Context graph observations: {}",
+        observations.len()
+    )];
+    for observation in observations {
+        let mut line = format!(
+            "- #{} [{}] {}",
+            observation.id, observation.observation_type, observation.entity_name
+        );
+        if let Some(session_id) = observation.session_id.as_deref() {
+            line.push_str(&format!(" | {}", short_session(session_id)));
+        }
+        lines.push(line);
+        lines.push(format!("  summary {}", observation.summary));
+    }
+
+    lines.join("\n")
+}
+
 fn format_graph_recall_human(
     entries: &[session::ContextGraphRecallEntry],
     session_id: Option<&str>,
@@ -2268,12 +2391,13 @@ fn format_graph_recall_human(
     )];
     for entry in entries {
         let mut line = format!(
-            "- #{} [{}] {} | score {} | relations {}",
+            "- #{} [{}] {} | score {} | relations {} | observations {}",
             entry.entity.id,
             entry.entity.entity_type,
             entry.entity.name,
             entry.score,
-            entry.relation_count
+            entry.relation_count,
+            entry.observation_count
         );
         if let Some(session_id) = entry.entity.session_id.as_deref() {
             line.push_str(&format!(" | {}", short_session(session_id)));
@@ -4226,6 +4350,49 @@ mod tests {
         }
     }
 
+    #[test]
+    fn cli_parses_graph_add_observation_command() {
+        let cli = Cli::try_parse_from([
+            "ecc",
+            "graph",
+            "add-observation",
+            "--session-id",
+            "latest",
+            "--entity-id",
+            "7",
+            "--type",
+            "completion_summary",
+            "--summary",
+            "Finished auth callback recovery",
+            "--detail",
+            "tests_run=2",
+            "--json",
+        ])
+        .expect("graph add-observation should parse");
+
+        match cli.command {
+            Some(Commands::Graph {
+                command:
+                    GraphCommands::AddObservation {
+                        session_id,
+                        entity_id,
+                        observation_type,
+                        summary,
+                        details,
+                        json,
+                    },
+            }) => {
+                assert_eq!(session_id.as_deref(), Some("latest"));
+                assert_eq!(entity_id, 7);
+                assert_eq!(observation_type, "completion_summary");
+                assert_eq!(summary, "Finished auth callback recovery");
+                assert_eq!(details, vec!["tests_run=2"]);
+                assert!(json);
+            }
+            _ => panic!("expected graph add-observation subcommand"),
+        }
+    }
+
     #[test]
     fn format_decisions_human_renders_details() {
         let text = format_decisions_human(
@@ -4334,17 +4501,39 @@ mod tests {
                     "recovery".to_string(),
                 ],
                 relation_count: 2,
+                observation_count: 1,
             }],
             Some("sess-12345678"),
             "auth callback recovery",
         );
 
         assert!(text.contains("Relevant memory: 1 entries"));
-        assert!(text.contains("[file] callback.ts | score 319 | relations 2"));
+        assert!(text.contains("[file] callback.ts | score 319 | relations 2 | observations 1"));
         assert!(text.contains("matches auth, callback, recovery"));
         assert!(text.contains("path src/routes/auth/callback.ts"));
     }
 
+    #[test]
+    fn format_graph_observations_human_renders_summaries() {
+        let text = format_graph_observations_human(&[session::ContextGraphObservation {
+            id: 5,
+            session_id: Some("sess-12345678".to_string()),
+            entity_id: 11,
+            entity_type: "session".to_string(),
+            entity_name: "sess-12345678".to_string(),
+            observation_type: "completion_summary".to_string(),
+            summary: "Finished auth callback recovery with 2 tests".to_string(),
+            details: BTreeMap::from([("tests_run".to_string(), "2".to_string())]),
+            created_at: chrono::DateTime::parse_from_rfc3339("2026-04-10T01:02:03Z")
+                .unwrap()
+                .with_timezone(&chrono::Utc),
+        }]);
+
+        assert!(text.contains("Context graph observations: 1"));
+        assert!(text.contains("[completion_summary] sess-12345678"));
+        assert!(text.contains("summary Finished auth callback recovery with 2 tests"));
+    }
+
     #[test]
     fn format_graph_sync_stats_human_renders_counts() {
         let text = format_graph_sync_stats_human(

ecc2/src/session/mod.rs

@@ -190,12 +190,26 @@ pub struct ContextGraphEntityDetail {
     pub incoming: Vec<ContextGraphRelation>,
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
+pub struct ContextGraphObservation {
+    pub id: i64,
+    pub session_id: Option<String>,
+    pub entity_id: i64,
+    pub entity_type: String,
+    pub entity_name: String,
+    pub observation_type: String,
+    pub summary: String,
+    pub details: BTreeMap<String, String>,
+    pub created_at: DateTime<Utc>,
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
 pub struct ContextGraphRecallEntry {
     pub entity: ContextGraphEntity,
     pub score: u64,
     pub matched_terms: Vec<String>,
     pub relation_count: usize,
+    pub observation_count: usize,
 }
 
 #[derive(Debug, Clone, Default, Serialize, Deserialize, PartialEq, Eq)]

ecc2/src/session/store.rs

@@ -14,9 +14,10 @@ use crate::observability::{ToolCallEvent, ToolLogEntry, ToolLogPage};
 use super::output::{OutputLine, OutputStream, OUTPUT_BUFFER_LIMIT};
 use super::{
     default_project_label, default_task_group_label, normalize_group_label, ContextGraphEntity,
-    ContextGraphEntityDetail, ContextGraphRecallEntry, ContextGraphRelation, ContextGraphSyncStats,
-    DecisionLogEntry, FileActivityAction, FileActivityEntry, Session, SessionAgentProfile,
-    SessionMessage, SessionMetrics, SessionState, WorktreeInfo,
+    ContextGraphEntityDetail, ContextGraphObservation, ContextGraphRecallEntry,
+    ContextGraphRelation, ContextGraphSyncStats, DecisionLogEntry, FileActivityAction,
+    FileActivityEntry, Session, SessionAgentProfile, SessionMessage, SessionMetrics, SessionState,
+    WorktreeInfo,
 };
 
 pub struct StateStore {
@@ -259,6 +260,16 @@ impl StateStore {
                 UNIQUE(from_entity_id, to_entity_id, relation_type)
             );
 
+            CREATE TABLE IF NOT EXISTS context_graph_observations (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                session_id TEXT REFERENCES sessions(id) ON DELETE SET NULL,
+                entity_id INTEGER NOT NULL REFERENCES context_graph_entities(id) ON DELETE CASCADE,
+                observation_type TEXT NOT NULL,
+                summary TEXT NOT NULL,
+                details_json TEXT NOT NULL DEFAULT '{}',
+                created_at TEXT NOT NULL
+            );
+
             CREATE TABLE IF NOT EXISTS pending_worktree_queue (
                 session_id TEXT PRIMARY KEY REFERENCES sessions(id) ON DELETE CASCADE,
                 repo_root TEXT NOT NULL,
@@ -319,6 +330,8 @@ impl StateStore {
                 ON context_graph_relations(from_entity_id, created_at, id);
             CREATE INDEX IF NOT EXISTS idx_context_graph_relations_to
                 ON context_graph_relations(to_entity_id, created_at, id);
+            CREATE INDEX IF NOT EXISTS idx_context_graph_observations_entity
+                ON context_graph_observations(entity_id, created_at, id);
             CREATE INDEX IF NOT EXISTS idx_conflict_incidents_sessions
                 ON conflict_incidents(first_session_id, second_session_id, resolved_at, updated_at);
             CREATE INDEX IF NOT EXISTS idx_pending_worktree_queue_requested_at
@@ -2047,7 +2060,22 @@ impl StateStore {
                         SELECT COUNT(*)
                         FROM context_graph_relations r
                         WHERE r.from_entity_id = e.id OR r.to_entity_id = e.id
-                    ) AS relation_count
+                    ) AS relation_count,
+                    COALESCE((
+                        SELECT group_concat(summary, ' ')
+                        FROM (
+                            SELECT summary
+                            FROM context_graph_observations o
+                            WHERE o.entity_id = e.id
+                            ORDER BY o.created_at DESC, o.id DESC
+                            LIMIT 4
+                        )
+                    ), '') AS observation_text,
+                    (
+                        SELECT COUNT(*)
+                        FROM context_graph_observations o
+                        WHERE o.entity_id = e.id
+                    ) AS observation_count
              FROM context_graph_entities e
              WHERE (?1 IS NULL OR e.session_id = ?1)
              ORDER BY e.updated_at DESC, e.id DESC
@@ -2060,7 +2088,9 @@ impl StateStore {
                 |row| {
                     let entity = map_context_graph_entity(row)?;
                     let relation_count = row.get::<_, i64>(9)?.max(0) as usize;
-                    Ok((entity, relation_count))
+                    let observation_text = row.get::<_, String>(10)?;
+                    let observation_count = row.get::<_, i64>(11)?.max(0) as usize;
+                    Ok((entity, relation_count, observation_text, observation_count))
                 },
             )?
             .collect::<Result<Vec<_>, _>>()?;
@@ -2068,24 +2098,29 @@ impl StateStore {
         let now = chrono::Utc::now();
         let mut entries = candidates
             .into_iter()
-            .filter_map(|(entity, relation_count)| {
-                let matched_terms = context_graph_matched_terms(&entity, &terms);
-                if matched_terms.is_empty() {
-                    return None;
-                }
+            .filter_map(
+                |(entity, relation_count, observation_text, observation_count)| {
+                    let matched_terms =
+                        context_graph_matched_terms(&entity, &observation_text, &terms);
+                    if matched_terms.is_empty() {
+                        return None;
+                    }
 
-                Some(ContextGraphRecallEntry {
-                    score: context_graph_recall_score(
-                        matched_terms.len(),
+                    Some(ContextGraphRecallEntry {
+                        score: context_graph_recall_score(
+                            matched_terms.len(),
+                            relation_count,
+                            observation_count,
+                            entity.updated_at,
+                            now,
+                        ),
+                        entity,
+                        matched_terms,
                         relation_count,
-                        entity.updated_at,
-                        now,
-                    ),
-                    entity,
-                    matched_terms,
-                    relation_count,
-                })
-            })
+                        observation_count,
+                    })
+                },
+            )
             .collect::<Vec<_>>();
 
         entries.sort_by(|left, right| {
@@ -2165,6 +2200,95 @@ impl StateStore {
         }))
     }
 
+    pub fn add_context_observation(
+        &self,
+        session_id: Option<&str>,
+        entity_id: i64,
+        observation_type: &str,
+        summary: &str,
+        details: &BTreeMap<String, String>,
+    ) -> Result<ContextGraphObservation> {
+        if observation_type.trim().is_empty() {
+            return Err(anyhow::anyhow!(
+                "Context graph observation type cannot be empty"
+            ));
+        }
+        if summary.trim().is_empty() {
+            return Err(anyhow::anyhow!(
+                "Context graph observation summary cannot be empty"
+            ));
+        }
+
+        let now = chrono::Utc::now().to_rfc3339();
+        let details_json = serde_json::to_string(details)?;
+        self.conn.execute(
+            "INSERT INTO context_graph_observations (
+                session_id, entity_id, observation_type, summary, details_json, created_at
+             ) VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+            rusqlite::params![
+                session_id,
+                entity_id,
+                observation_type.trim(),
+                summary.trim(),
+                details_json,
+                now,
+            ],
+        )?;
+        let observation_id = self.conn.last_insert_rowid();
+        self.conn
+            .query_row(
+                "SELECT o.id, o.session_id, o.entity_id, e.entity_type, e.name,
+                        o.observation_type, o.summary, o.details_json, o.created_at
+                 FROM context_graph_observations o
+                 JOIN context_graph_entities e ON e.id = o.entity_id
+                 WHERE o.id = ?1",
+                rusqlite::params![observation_id],
+                map_context_graph_observation,
+            )
+            .map_err(Into::into)
+    }
+
+    pub fn add_session_observation(
+        &self,
+        session_id: &str,
+        observation_type: &str,
+        summary: &str,
+        details: &BTreeMap<String, String>,
+    ) -> Result<ContextGraphObservation> {
+        let session_entity = self.sync_context_graph_session(session_id)?;
+        self.add_context_observation(
+            Some(session_id),
+            session_entity.id,
+            observation_type,
+            summary,
+            details,
+        )
+    }
+
+    pub fn list_context_observations(
+        &self,
+        entity_id: Option<i64>,
+        limit: usize,
+    ) -> Result<Vec<ContextGraphObservation>> {
+        let mut stmt = self.conn.prepare(
+            "SELECT o.id, o.session_id, o.entity_id, e.entity_type, e.name,
+                    o.observation_type, o.summary, o.details_json, o.created_at
+             FROM context_graph_observations o
+             JOIN context_graph_entities e ON e.id = o.entity_id
+             WHERE (?1 IS NULL OR o.entity_id = ?1)
+             ORDER BY o.created_at DESC, o.id DESC
+             LIMIT ?2",
+        )?;
+
+        let entries = stmt
+            .query_map(
+                rusqlite::params![entity_id, limit as i64],
+                map_context_graph_observation,
+            )?
+            .collect::<Result<Vec<_>, _>>()?;
+        Ok(entries)
+    }
+
     pub fn upsert_context_relation(
         &self,
         session_id: Option<&str>,
@@ -3147,6 +3271,30 @@ fn map_context_graph_relation(row: &rusqlite::Row<'_>) -> rusqlite::Result<Conte
     })
 }
 
+fn map_context_graph_observation(
+    row: &rusqlite::Row<'_>,
+) -> rusqlite::Result<ContextGraphObservation> {
+    let details_json = row
+        .get::<_, Option<String>>(7)?
+        .unwrap_or_else(|| "{}".to_string());
+    let details = serde_json::from_str(&details_json).map_err(|error| {
+        rusqlite::Error::FromSqlConversionFailure(7, rusqlite::types::Type::Text, Box::new(error))
+    })?;
+    let created_at = parse_store_timestamp(row.get::<_, String>(8)?, 8)?;
+
+    Ok(ContextGraphObservation {
+        id: row.get(0)?,
+        session_id: row.get(1)?,
+        entity_id: row.get(2)?,
+        entity_type: row.get(3)?,
+        entity_name: row.get(4)?,
+        observation_type: row.get(5)?,
+        summary: row.get(6)?,
+        details,
+        created_at,
+    })
+}
+
 fn context_graph_recall_terms(query: &str) -> Vec<String> {
     let mut terms = Vec::new();
     for raw_term in
@@ -3161,7 +3309,11 @@ fn context_graph_recall_terms(query: &str) -> Vec<String> {
     terms
 }
 
-fn context_graph_matched_terms(entity: &ContextGraphEntity, terms: &[String]) -> Vec<String> {
+fn context_graph_matched_terms(
+    entity: &ContextGraphEntity,
+    observation_text: &str,
+    terms: &[String],
+) -> Vec<String> {
     let mut haystacks = vec![
         entity.entity_type.to_ascii_lowercase(),
         entity.name.to_ascii_lowercase(),
@@ -3174,6 +3326,9 @@ fn context_graph_matched_terms(entity: &ContextGraphEntity, terms: &[String]) ->
         haystacks.push(key.to_ascii_lowercase());
         haystacks.push(value.to_ascii_lowercase());
     }
+    if !observation_text.trim().is_empty() {
+        haystacks.push(observation_text.to_ascii_lowercase());
+    }
 
     let mut matched = Vec::new();
     for term in terms {
@@ -3187,6 +3342,7 @@ fn context_graph_matched_terms(entity: &ContextGraphEntity, terms: &[String]) ->
 fn context_graph_recall_score(
     matched_term_count: usize,
     relation_count: usize,
+    observation_count: usize,
     updated_at: chrono::DateTime<chrono::Utc>,
     now: chrono::DateTime<chrono::Utc>,
 ) -> u64 {
@@ -3203,7 +3359,10 @@ fn context_graph_recall_score(
         }
     };
 
-    (matched_term_count as u64 * 100) + (relation_count.min(9) as u64 * 10) + recency_bonus
+    (matched_term_count as u64 * 100)
+        + (relation_count.min(9) as u64 * 10)
+        + (observation_count.min(6) as u64 * 8)
+        + recency_bonus
 }
 
 fn parse_store_timestamp(
@@ -3990,6 +4149,57 @@ mod tests {
         Ok(())
     }
 
+    #[test]
+    fn add_and_list_context_observations() -> Result<()> {
+        let tempdir = TestDir::new("store-context-observations")?;
+        let db = StateStore::open(&tempdir.path().join("state.db"))?;
+        let now = Utc::now();
+
+        db.insert_session(&Session {
+            id: "session-1".to_string(),
+            task: "deep memory".to_string(),
+            project: "workspace".to_string(),
+            task_group: "knowledge".to_string(),
+            agent_type: "claude".to_string(),
+            working_dir: PathBuf::from("/tmp"),
+            state: SessionState::Running,
+            pid: None,
+            worktree: None,
+            created_at: now,
+            updated_at: now,
+            last_heartbeat_at: now,
+            metrics: SessionMetrics::default(),
+        })?;
+
+        let entity = db.upsert_context_entity(
+            Some("session-1"),
+            "decision",
+            "Prefer recovery-first routing",
+            None,
+            "Recovered installs should go through the portal first",
+            &BTreeMap::new(),
+        )?;
+        let observation = db.add_context_observation(
+            Some("session-1"),
+            entity.id,
+            "note",
+            "Customer wiped setup and got charged twice",
+            &BTreeMap::from([("customer".to_string(), "viktor".to_string())]),
+        )?;
+
+        let observations = db.list_context_observations(Some(entity.id), 10)?;
+        assert_eq!(observations.len(), 1);
+        assert_eq!(observations[0].id, observation.id);
+        assert_eq!(observations[0].entity_name, "Prefer recovery-first routing");
+        assert_eq!(observations[0].observation_type, "note");
+        assert_eq!(
+            observations[0].details.get("customer"),
+            Some(&"viktor".to_string())
+        );
+
+        Ok(())
+    }
+
     #[test]
     fn recall_context_entities_ranks_matching_entities() -> Result<()> {
         let tempdir = TestDir::new("store-context-recall")?;
@@ -4051,6 +4261,13 @@ mod tests {
             "references",
             "Callback route references the dashboard summary",
         )?;
+        db.add_context_observation(
+            Some("session-1"),
+            recovery.id,
+            "incident_note",
+            "Previous auth callback recovery incident affected Viktor after a wipe",
+            &BTreeMap::new(),
+        )?;
 
         let results =
             db.recall_context_entities(Some("session-1"), "Investigate auth callback recovery", 3)?;
@@ -4068,6 +4285,7 @@ mod tests {
             .any(|term| term == "recovery"));
         assert_eq!(results[0].relation_count, 2);
         assert_eq!(results[1].entity.id, recovery.id);
+        assert_eq!(results[1].observation_count, 1);
         assert!(!results.iter().any(|entry| entry.entity.id == unrelated.id));
 
         Ok(())

ecc2/src/tui/dashboard.rs

@@ -4153,6 +4153,11 @@ impl Dashboard {
                         }
                         SessionState::Completed => {
                             let summary = self.build_completion_summary(session);
+                            self.persist_completion_summary_observation(
+                                session,
+                                &summary,
+                                "completion_summary",
+                            );
                             if self.cfg.completion_summary_notifications.enabled {
                                 completion_summaries.push(summary.clone());
                             } else if self.cfg.desktop_notifications.session_completed {
@@ -4174,6 +4179,11 @@ impl Dashboard {
                         }
                         SessionState::Failed => {
                             let summary = self.build_completion_summary(session);
+                            self.persist_completion_summary_observation(
+                                session,
+                                &summary,
+                                "failure_summary",
+                            );
                             failed_notifications.push((
                                 "ECC 2.0: Session failed".to_string(),
                                 format!(
@@ -4226,6 +4236,34 @@ impl Dashboard {
         self.last_session_states = next_states;
     }
 
+    fn persist_completion_summary_observation(
+        &self,
+        session: &Session,
+        summary: &SessionCompletionSummary,
+        observation_type: &str,
+    ) {
+        let observation_summary = format!(
+            "{} | files {} | tests {}/{} | warnings {}",
+            truncate_for_dashboard(&summary.task, 72),
+            summary.files_changed,
+            summary.tests_passed,
+            summary.tests_run,
+            summary.warnings.len()
+        );
+        let details = completion_summary_observation_details(summary, session);
+        if let Err(error) = self.db.add_session_observation(
+            &session.id,
+            observation_type,
+            &observation_summary,
+            &details,
+        ) {
+            tracing::warn!(
+                "Failed to persist completion observation for {}: {error}",
+                session.id
+            );
+        }
+    }
+
     fn sync_approval_notifications(&mut self) {
         let latest_message = match self.db.latest_unread_approval_message() {
             Ok(message) => message,
@@ -5320,12 +5358,13 @@ impl Dashboard {
         let mut lines = vec!["Relevant memory".to_string()];
         for entry in entries {
             let mut line = format!(
-                "- #{} [{}] {} | score {} | relations {}",
+                "- #{} [{}] {} | score {} | relations {} | observations {}",
                 entry.entity.id,
                 entry.entity.entity_type,
                 truncate_for_dashboard(&entry.entity.name, 60),
                 entry.score,
-                entry.relation_count
+                entry.relation_count,
+                entry.observation_count
             );
             if let Some(session_id) = entry.entity.session_id.as_deref() {
                 if session_id != session.id {
@@ -5345,6 +5384,14 @@ impl Dashboard {
                     truncate_for_dashboard(&entry.entity.summary, 72)
                 ));
             }
+            if let Ok(observations) = self.db.list_context_observations(Some(entry.entity.id), 1) {
+                if let Some(observation) = observations.first() {
+                    lines.push(format!(
+                        "  memory {}",
+                        truncate_for_dashboard(&observation.summary, 72)
+                    ));
+                }
+            }
         }
 
         lines
@@ -8517,6 +8564,39 @@ fn summarize_completion_warnings(
     warnings
 }
 
+fn completion_summary_observation_details(
+    summary: &SessionCompletionSummary,
+    session: &Session,
+) -> BTreeMap<String, String> {
+    let mut details = BTreeMap::new();
+    details.insert("state".to_string(), session.state.to_string());
+    details.insert(
+        "files_changed".to_string(),
+        summary.files_changed.to_string(),
+    );
+    details.insert("tokens_used".to_string(), summary.tokens_used.to_string());
+    details.insert(
+        "duration_secs".to_string(),
+        summary.duration_secs.to_string(),
+    );
+    details.insert("cost_usd".to_string(), format!("{:.4}", summary.cost_usd));
+    details.insert("tests_run".to_string(), summary.tests_run.to_string());
+    details.insert("tests_passed".to_string(), summary.tests_passed.to_string());
+    if !summary.recent_files.is_empty() {
+        details.insert("recent_files".to_string(), summary.recent_files.join(" | "));
+    }
+    if !summary.key_decisions.is_empty() {
+        details.insert(
+            "key_decisions".to_string(),
+            summary.key_decisions.join(" | "),
+        );
+    }
+    if !summary.warnings.is_empty() {
+        details.insert("warnings".to_string(), summary.warnings.join(" | "));
+    }
+    details
+}
+
 fn session_started_webhook_body(session: &Session, compare_url: Option<&str>) -> String {
     let mut lines = vec![
         "*ECC 2.0: Session started*".to_string(),
@@ -10444,11 +10524,25 @@ diff --git a/src/lib.rs b/src/lib.rs\n\
             "Handles auth callback recovery and billing fallback",
             &BTreeMap::from([("area".to_string(), "auth".to_string())]),
         )?;
+        let entity = dashboard
+            .db
+            .list_context_entities(Some(&memory.id), Some("file"), 10)?
+            .into_iter()
+            .find(|entry| entry.name == "callback.ts")
+            .expect("callback entity");
+        dashboard.db.add_context_observation(
+            Some(&memory.id),
+            entity.id,
+            "completion_summary",
+            "Recovered auth callback incident with billing fallback",
+            &BTreeMap::new(),
+        )?;
 
         let text = dashboard.selected_session_metrics_text();
         assert!(text.contains("Relevant memory"));
         assert!(text.contains("[file] callback.ts"));
         assert!(text.contains("matches auth, callback, recovery"));
+        assert!(text.contains("memory Recovered auth callback incident with billing fallback"));
         Ok(())
     }
 
@@ -11876,6 +11970,73 @@ diff --git a/src/lib.rs b/src/lib.rs
         Ok(())
     }
 
+    #[test]
+    fn refresh_persists_completion_summary_observation() -> Result<()> {
+        let root =
+            std::env::temp_dir().join(format!("ecc2-completion-observation-{}", Uuid::new_v4()));
+        fs::create_dir_all(root.join(".claude").join("metrics"))?;
+
+        let mut cfg = build_config(&root.join(".claude"));
+        cfg.completion_summary_notifications.delivery =
+            crate::notifications::CompletionSummaryDelivery::TuiPopup;
+        cfg.desktop_notifications.session_completed = false;
+
+        let db = StateStore::open(&cfg.db_path)?;
+        let mut session = sample_session(
+            "done-observation",
+            "claude",
+            SessionState::Running,
+            Some("ecc/observation"),
+            144,
+            42,
+        );
+        session.task = "Recover auth callback after wipe".to_string();
+        db.insert_session(&session)?;
+
+        let metrics_path = cfg.tool_activity_metrics_path();
+        fs::create_dir_all(metrics_path.parent().unwrap())?;
+        fs::write(
+            &metrics_path,
+            concat!(
+                "{\"id\":\"evt-1\",\"session_id\":\"done-observation\",\"tool_name\":\"Bash\",\"input_summary\":\"cargo test -q\",\"input_params_json\":\"{\\\"command\\\":\\\"cargo test -q\\\"}\",\"output_summary\":\"ok\",\"timestamp\":\"2026-04-09T00:00:00Z\"}\n",
+                "{\"id\":\"evt-2\",\"session_id\":\"done-observation\",\"tool_name\":\"Write\",\"input_summary\":\"Write src/routes/auth/callback.ts\",\"output_summary\":\"updated callback\",\"file_events\":[{\"path\":\"src/routes/auth/callback.ts\",\"action\":\"modify\",\"diff_preview\":\"portal first\",\"patch_preview\":\"+ portal first\"}],\"timestamp\":\"2026-04-09T00:01:00Z\"}\n"
+            ),
+        )?;
+
+        let mut dashboard = Dashboard::new(db, cfg);
+        dashboard
+            .db
+            .update_state("done-observation", &SessionState::Completed)?;
+
+        dashboard.refresh();
+
+        let session_entity = dashboard
+            .db
+            .list_context_entities(Some("done-observation"), Some("session"), 10)?
+            .into_iter()
+            .find(|entity| entity.name == "done-observation")
+            .expect("session entity");
+        let observations = dashboard
+            .db
+            .list_context_observations(Some(session_entity.id), 10)?;
+        assert!(!observations.is_empty());
+        assert_eq!(observations[0].observation_type, "completion_summary");
+        assert!(observations[0]
+            .summary
+            .contains("Recover auth callback after wipe"));
+        assert_eq!(
+            observations[0].details.get("tests_run"),
+            Some(&"1".to_string())
+        );
+        assert!(observations[0]
+            .details
+            .get("recent_files")
+            .is_some_and(|value| value.contains("modify src/routes/auth/callback.ts")));
+
+        let _ = fs::remove_dir_all(root);
+        Ok(())
+    }
+
     #[test]
     fn dismiss_completion_popup_promotes_the_next_summary() {
         let mut dashboard = test_dashboard(Vec::new(), 0);