feat: add staging entry source anchors

crates/memory/src/consolidate/input.rs

@@ -206,8 +206,8 @@ pub fn render_tidy_hints(tidy: &TidyHints) -> String {
 mod tests {
     use super::*;
     use crate::consolidate::tidy::{SimilarSlugCluster, SourcesOverflow};
-    use crate::extract::{ExtractedPayload, write_staging};
+    use crate::extract::{DecisionEntry, ExtractedPayload, write_staging};
-    use crate::schema::SourceRef;
+    use crate::schema::{EvidenceKind, SourceEvidenceRef, SourceRef};
     use chrono::Utc;
     use std::path::Path;
 
@@ -277,6 +277,46 @@ mod tests {
         assert!(out.contains("no explicit memory usage events"));
     }
 
+    #[test]
+    fn staging_render_preserves_entry_source_refs() {
+        let dir = tempfile::TempDir::new().unwrap();
+        let layout = WorkspaceLayout::new(dir.path().to_path_buf());
+        let (_id, _) = write_staging(
+            &layout,
+            SourceRef {
+                segment_id: "segment-record".into(),
+                range: [0, 10],
+            },
+            ExtractedPayload {
+                decisions: vec![DecisionEntry {
+                    options: vec!["preserve".into()],
+                    chosen: "preserve".into(),
+                    rationale: "consolidation input is lossless JSON".into(),
+                    source_refs: vec![SourceEvidenceRef {
+                        session_id: Some("session-1".into()),
+                        segment_id: Some("segment-1".into()),
+                        entry_range: Some([3, 4]),
+                        evidence_id: Some("ev-1".into()),
+                        evidence_kind: Some(EvidenceKind::new(EvidenceKind::MESSAGE)),
+                        label: Some("user message".into()),
+                        summary: Some("bounded summary".into()),
+                    }],
+                }],
+                ..Default::default()
+            },
+        )
+        .unwrap();
+        let staging = crate::consolidate::staging::list_staging_entries(&layout);
+
+        let out = render_staging_records(&staging);
+
+        assert!(out.contains("source_refs"));
+        assert!(out.contains("session-1"));
+        assert!(out.contains("entry_range"));
+        assert!(out.contains("ev-1"));
+        assert!(out.contains("message"));
+    }
+
     #[test]
     fn empty_inputs_render_placeholders() {
         let dir = tempfile::TempDir::new().unwrap();

crates/memory/src/consolidate/staging.rs

@@ -150,10 +150,11 @@ mod tests {
         let layout = WorkspaceLayout::new(tmp.path().to_path_buf());
         let (_id, _) = write_staging(&layout, source("s", [0, 1]), empty_payload()).unwrap();
 
-        // Drop a non-UUID json file, an unparsable UUID-named json file, an
+        // Drop a non-UUID json file, an unparsable UUID-named json file, a
-        // old-schema UUID-named json file, and a bare lock file alongside.
+        // legacy source UUID-named json file, and a bare lock file alongside.
         // Lock files are not `.json`; invalid `.json` files are surfaced
         // separately instead of being mistaken for an empty staging directory.
+        // Legacy `source.session_id` staging remains readable for compatibility.
         std::fs::write(layout.staging_dir().join("not-a-uuid.json"), "{}").unwrap();
         let bad_id = Uuid::now_v7();
         std::fs::write(layout.staging_dir().join(format!("{bad_id}.json")), "{").unwrap();
@@ -173,11 +174,17 @@ mod tests {
         std::fs::write(layout.staging_dir().join(".consolidation.lock"), "{}").unwrap();
 
         let entries = list_staging_entries(&layout);
-        assert_eq!(entries.len(), 1);
+        assert_eq!(entries.len(), 2);
 
         let snapshot = list_staging_entries_snapshot(&layout);
-        assert_eq!(snapshot.entries.len(), 1);
+        assert_eq!(snapshot.entries.len(), 2);
-        assert_eq!(snapshot.invalid_count, 3);
+        assert_eq!(snapshot.invalid_count, 2);
+        assert!(
+            snapshot
+                .entries
+                .iter()
+                .any(|entry| entry.record.source.segment_id == "legacy-session")
+        );
     }
 
     #[test]

crates/memory/src/extract/payload.rs

@@ -1,13 +1,13 @@
 //! extract 抽出の出力 schema。
 //!
-//! LLM は [`ExtractedPayload`] そのもの（source 抜き）を返し、Worker 側
+//! LLM は [`ExtractedPayload`] そのもの（record-level source 抜き）を返し、Worker 側
 //! ラッパーが [`StagingRecord`] に組み立てて staging へ書き出す。
 //! source は機械付与する契約 (`docs/plan/memory.md` §Extract)。
 
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 
-use crate::schema::SourceRef;
+use crate::schema::{SourceEvidenceRef, SourceRef};
 
 /// LLM が返す活動ログ候補の集合。すべて optional（空配列は許容）。
 #[derive(Debug, Clone, Default, Serialize, Deserialize, JsonSchema)]
@@ -42,6 +42,10 @@ pub struct DecisionEntry {
     pub chosen: String,
     /// 採用理由 / 根拠。
     pub rationale: String,
+    /// Host-resolved anchors backing this individual claim.
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    #[schemars(skip)]
+    pub source_refs: Vec<SourceEvidenceRef>,
 }
 
 /// 議論したこと（トピック + 論点）。結論が出ていなくてもよい。
@@ -51,6 +55,10 @@ pub struct DiscussionEntry {
     pub topic: String,
     /// 主題の中で挙がった論点 / 観点。
     pub points: Vec<String>,
+    /// Host-resolved anchors backing this individual claim.
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    #[schemars(skip)]
+    pub source_refs: Vec<SourceEvidenceRef>,
 }
 
 /// 試したこと（試行 + 結果 + 成否）。
@@ -62,6 +70,10 @@ pub struct AttemptEntry {
     pub result: String,
     /// 試行が目的に対して成功したか。失敗 / 部分成功も含めて bool で表現する。
     pub succeeded: bool,
+    /// Host-resolved anchors backing this individual claim.
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    #[schemars(skip)]
+    pub source_refs: Vec<SourceEvidenceRef>,
 }
 
 /// ユーザー submit の構造化要約。
@@ -74,6 +86,10 @@ pub struct RequestEntry {
     pub target: Option<String>,
     /// 一文サマリ。
     pub summary: String,
+    /// Host-resolved anchors backing this individual claim.
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    #[schemars(skip)]
+    pub source_refs: Vec<SourceEvidenceRef>,
 }
 
 /// staging に書き出される 1 ファイル分のレコード。
@@ -86,3 +102,153 @@ pub struct StagingRecord {
     #[serde(flatten)]
     pub payload: ExtractedPayload,
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::schema::{EvidenceKind, SourceEvidenceRef};
+
+    fn record_source() -> serde_json::Value {
+        serde_json::json!({
+            "source": {
+                "segment_id": "seg-old",
+                "range": [1, 5]
+            }
+        })
+    }
+
+    #[test]
+    fn old_staging_json_without_entry_source_refs_deserializes() {
+        let mut raw = record_source();
+        raw["decisions"] = serde_json::json!([
+            {
+                "options": ["keep", "drop"],
+                "chosen": "keep",
+                "rationale": "compatible"
+            }
+        ]);
+        raw["discussions"] = serde_json::json!([
+            {
+                "topic": "compatibility",
+                "points": ["missing source_refs should default empty"]
+            }
+        ]);
+        raw["attempts"] = serde_json::json!([
+            {
+                "action": "deserialize old staging",
+                "result": "ok",
+                "succeeded": true
+            }
+        ]);
+        raw["requests"] = serde_json::json!([
+            {
+                "intent": "preserve old JSON",
+                "summary": "old payload has no entry anchors"
+            }
+        ]);
+
+        let record: StagingRecord = serde_json::from_value(raw).unwrap();
+
+        assert_eq!(record.source.segment_id, "seg-old");
+        assert!(record.payload.decisions[0].source_refs.is_empty());
+        assert!(record.payload.discussions[0].source_refs.is_empty());
+        assert!(record.payload.attempts[0].source_refs.is_empty());
+        assert!(record.payload.requests[0].source_refs.is_empty());
+        let serialized = serde_json::to_string(&record).unwrap();
+        assert!(!serialized.contains("\"source_refs\""));
+    }
+
+    #[test]
+    fn new_staging_json_roundtrips_entry_source_refs() {
+        let evidence = SourceEvidenceRef {
+            session_id: Some("session-1".into()),
+            segment_id: Some("segment-1".into()),
+            entry_range: Some([10, 12]),
+            evidence_id: Some("ev-1".into()),
+            evidence_kind: Some(EvidenceKind::new(EvidenceKind::TOOL_RESULT)),
+            label: Some("cargo test result".into()),
+            summary: Some("bounded host summary".into()),
+        };
+        let record = StagingRecord {
+            source: SourceRef {
+                segment_id: "segment-record".into(),
+                range: [0, 20],
+            },
+            payload: ExtractedPayload {
+                decisions: vec![DecisionEntry {
+                    options: vec!["a".into(), "b".into()],
+                    chosen: "a".into(),
+                    rationale: "evidence-backed".into(),
+                    source_refs: vec![evidence.clone()],
+                }],
+                discussions: vec![DiscussionEntry {
+                    topic: "anchor shape".into(),
+                    points: vec!["entry refs roundtrip".into()],
+                    source_refs: vec![SourceEvidenceRef {
+                        evidence_kind: Some(EvidenceKind::new(EvidenceKind::MESSAGE)),
+                        ..Default::default()
+                    }],
+                }],
+                attempts: vec![AttemptEntry {
+                    action: "serialize".into(),
+                    result: "contains source refs".into(),
+                    succeeded: true,
+                    source_refs: vec![SourceEvidenceRef {
+                        evidence_kind: Some(EvidenceKind::new(EvidenceKind::FILE_REF)),
+                        evidence_id: Some("file:crates/memory/src/extract/payload.rs".into()),
+                        ..Default::default()
+                    }],
+                }],
+                requests: vec![RequestEntry {
+                    intent: "keep anchors".into(),
+                    target: Some("memory staging".into()),
+                    summary: "entry-level anchors survive".into(),
+                    source_refs: vec![SourceEvidenceRef {
+                        evidence_kind: Some(EvidenceKind::new(EvidenceKind::TICKET_REF)),
+                        evidence_id: Some("00001KXNYXNM6".into()),
+                        ..Default::default()
+                    }],
+                }],
+            },
+        };
+
+        let json = serde_json::to_string_pretty(&record).unwrap();
+        assert!(json.contains("source_refs"));
+        assert!(json.contains("tool_result"));
+        assert!(json.contains("entry_range"));
+        let parsed: StagingRecord = serde_json::from_str(&json).unwrap();
+
+        let source_ref = &parsed.payload.decisions[0].source_refs[0];
+        assert_eq!(source_ref.session_id.as_deref(), Some("session-1"));
+        assert_eq!(source_ref.segment_id.as_deref(), Some("segment-1"));
+        assert_eq!(source_ref.entry_range, Some([10, 12]));
+        assert_eq!(source_ref.evidence_id.as_deref(), Some("ev-1"));
+        assert_eq!(
+            source_ref.evidence_kind.as_ref().map(EvidenceKind::as_str),
+            Some(EvidenceKind::TOOL_RESULT)
+        );
+        assert_eq!(source_ref.label.as_deref(), Some("cargo test result"));
+        assert_eq!(source_ref.summary.as_deref(), Some("bounded host summary"));
+        assert_eq!(
+            parsed.payload.discussions[0].source_refs[0]
+                .evidence_kind
+                .as_ref()
+                .map(EvidenceKind::as_str),
+            Some(EvidenceKind::MESSAGE)
+        );
+        assert_eq!(
+            parsed.payload.attempts[0].source_refs[0]
+                .evidence_kind
+                .as_ref()
+                .map(EvidenceKind::as_str),
+            Some(EvidenceKind::FILE_REF)
+        );
+        assert_eq!(
+            parsed.payload.requests[0].source_refs[0]
+                .evidence_kind
+                .as_ref()
+                .map(EvidenceKind::as_str),
+            Some(EvidenceKind::TICKET_REF)
+        );
+    }
+}

crates/memory/src/extract/staging.rs

@@ -79,6 +79,7 @@ mod tests {
                 options: vec!["a".into(), "b".into()],
                 chosen: "a".into(),
                 rationale: "shorter".into(),
+                source_refs: Vec::new(),
             }],
             ..Default::default()
         };

crates/memory/src/schema/common.rs

@@ -1,5 +1,6 @@
 //! Common frontmatter helpers and shared types.
 
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 
 use crate::error::LintError;
@@ -8,13 +9,94 @@ pub use lint_common::Frontmatter;
 
 /// Reference to a session-store entry range. Stored in `sources` /
 /// `last_sources` arrays for traceability back to raw session logs.
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
 pub struct SourceRef {
     pub segment_id: String,
     /// `[start_entry, end_entry]` inclusive range of session-store entry indices.
     pub range: [u64; 2],
 }
 
+impl<'de> Deserialize<'de> for SourceRef {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        #[derive(Deserialize)]
+        struct RawSourceRef {
+            #[serde(default)]
+            segment_id: Option<String>,
+            #[serde(default)]
+            session_id: Option<String>,
+            range: [u64; 2],
+        }
+
+        let raw = RawSourceRef::deserialize(deserializer)?;
+        let segment_id = raw
+            .segment_id
+            .or(raw.session_id)
+            .ok_or_else(|| serde::de::Error::missing_field("segment_id"))?;
+        Ok(SourceRef {
+            segment_id,
+            range: raw.range,
+        })
+    }
+}
+
+/// Extensible evidence kind tag used by staging source anchors.
+///
+/// Known values include `message`, `tool_call`, `tool_result`, `file_ref`,
+/// `ticket_ref`, and `objective_ref`, but callers may use newer bounded tags
+/// without changing the schema.
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
+pub struct EvidenceKind(pub String);
+
+impl EvidenceKind {
+    pub const MESSAGE: &'static str = "message";
+    pub const TOOL_CALL: &'static str = "tool_call";
+    pub const TOOL_RESULT: &'static str = "tool_result";
+    pub const FILE_REF: &'static str = "file_ref";
+    pub const TICKET_REF: &'static str = "ticket_ref";
+    pub const OBJECTIVE_REF: &'static str = "objective_ref";
+
+    pub fn new(kind: impl Into<String>) -> Self {
+        Self(kind.into())
+    }
+
+    pub fn as_str(&self) -> &str {
+        &self.0
+    }
+}
+
+/// Host-resolved source/evidence metadata for an individual staging claim.
+///
+/// This deliberately stores only bounded anchor metadata: stable ids, entry
+/// ranges, and short labels/summaries. It must not carry raw message bodies or
+/// full tool result content.
+#[derive(Debug, Clone, Default, PartialEq, Eq, Serialize, Deserialize, JsonSchema)]
+pub struct SourceEvidenceRef {
+    /// Stable session id when the anchor crosses or disambiguates segments.
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub session_id: Option<String>,
+    /// Session segment id containing the anchored log entries.
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub segment_id: Option<String>,
+    /// `[start_entry, end_entry]` inclusive range of session-store entry indices.
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub entry_range: Option<[u64; 2]>,
+    /// Host-assigned evidence id within the referenced evidence set.
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub evidence_id: Option<String>,
+    /// Extensible evidence kind tag.
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub evidence_kind: Option<EvidenceKind>,
+    /// Short host-provided display label, not raw evidence content.
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub label: Option<String>,
+    /// Short host-provided summary, not raw evidence content.
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub summary: Option<String>,
+}
+
 /// Split a markdown document into `(yaml_frontmatter, body)`.
 pub fn split_frontmatter(content: &str) -> Result<(&str, &str), LintError> {
     lint_common::split_frontmatter(content).map_err(Into::into)

crates/memory/src/schema/mod.rs

@@ -10,7 +10,7 @@ mod decision;
 mod request;
 mod summary;
 
-pub use common::{Frontmatter, SourceRef, split_frontmatter};
+pub use common::{EvidenceKind, Frontmatter, SourceEvidenceRef, SourceRef, split_frontmatter};
 pub use decision::{DecisionFrontmatter, DecisionStatus};
 pub use request::RequestFrontmatter;
 pub use summary::SummaryFrontmatter;