feat(kebab-core): p9-fb-23 task 2 — CanonicalDocument gains last_chunker_version + last_embedding_version

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

crates/kebab-chunk/src/md_heading_v1.rs

@@ -477,6 +477,8 @@ mod tests {
             parser_version: kebab_core::ParserVersion("test-parser-0".into()),
             schema_version: 1,
             doc_version: 1,
+            last_chunker_version: None,
+            last_embedding_version: None,
         }
     }
 

crates/kebab-chunk/src/pdf_page_v1.rs

@@ -352,6 +352,8 @@ mod tests {
             parser_version,
             schema_version: 1,
             doc_version: 1,
+            last_chunker_version: None,
+            last_embedding_version: None,
         }
     }
 
@@ -515,6 +517,8 @@ mod tests {
             parser_version,
             schema_version: 1,
             doc_version: 1,
+            last_chunker_version: None,
+            last_embedding_version: None,
         };
         let err = PdfPageV1Chunker
             .chunk(&doc, &default_policy(500, 80))

crates/kebab-core/src/document.rs

@@ -7,7 +7,7 @@ use crate::asset::WorkspacePath;
 use crate::ids::{AssetId, BlockId, DocumentId};
 use crate::media::Lang;
 use crate::metadata::{Metadata, Provenance};
-use crate::versions::ParserVersion;
+use crate::versions::{ChunkerVersion, EmbeddingVersion, ParserVersion};
 
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
 pub struct CanonicalDocument {
@@ -22,6 +22,15 @@ pub struct CanonicalDocument {
     pub parser_version: ParserVersion,
     pub schema_version: u32,
     pub doc_version: u32,
+    /// p9-fb-23: chunker version active when this document was last
+    /// chunked. `None` for rows ingested before V006 migration; the
+    /// next ingest stamps the current version. Compared against the
+    /// active chunker version for the incremental-ingest skip path.
+    pub last_chunker_version: Option<ChunkerVersion>,
+    /// p9-fb-23: embedding model version active when this document
+    /// was last embedded. `None` if no embedder is configured (skip
+    /// path treats `None == None` as a match — see design doc).
+    pub last_embedding_version: Option<EmbeddingVersion>,
 }
 
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]

crates/kebab-normalize/src/lib.rs

@@ -169,6 +169,8 @@ pub fn build_canonical_document(
         parser_version: parser_version.clone(),
         schema_version: 1,
         doc_version: 1,
+        last_chunker_version: None,
+        last_embedding_version: None,
     })
 }
 

crates/kebab-parse-image/src/lib.rs

@@ -212,6 +212,8 @@ impl Extractor for ImageExtractor {
             parser_version,
             schema_version: 1,
             doc_version: 1,
+            last_chunker_version: None,
+            last_embedding_version: None,
         })
     }
 }

crates/kebab-parse-pdf/src/lib.rs

@@ -216,6 +216,8 @@ impl Extractor for PdfTextExtractor {
             parser_version,
             schema_version: 1,
             doc_version: 1,
+            last_chunker_version: None,
+            last_embedding_version: None,
         })
     }
 }

crates/kebab-store-sqlite/src/documents.rs

@@ -221,6 +221,8 @@ impl kebab_core::DocumentStore for SqliteStore {
             // under that invariant.
             schema_version: row.schema_version as u32,
             doc_version: row.doc_version as u32,
+            last_chunker_version: None,
+            last_embedding_version: None,
         }))
     }
 

crates/kebab-store-sqlite/tests/idempotency.rs

@@ -78,6 +78,8 @@ fn make_doc() -> CanonicalDocument {
         parser_version: ParserVersion("test-parser".into()),
         schema_version: 1,
         doc_version: 1,
+        last_chunker_version: None,
+        last_embedding_version: None,
     }
 }
 

crates/kebab-store-sqlite/tests/list_docs.rs

@@ -67,6 +67,8 @@ fn make_doc(
         parser_version: ParserVersion("test".into()),
         schema_version: 1,
         doc_version: 1,
+        last_chunker_version: None,
+        last_embedding_version: None,
     };
     (asset, doc)
 }

crates/kebab-tui/tests/inspect.rs

@@ -91,6 +91,8 @@ fn make_doc() -> CanonicalDocument {
         parser_version: ParserVersion("test-parser".into()),
         schema_version: 1,
         doc_version: 1,
+        last_chunker_version: None,
+        last_embedding_version: None,
     }
 }