feat(kebab-core, kebab-app): p9-fb-25 task 4 — IngestReport.skipped_by_extension + wire schema additive

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

crates/kebab-app/src/ingest_progress.rs

@@ -22,7 +22,7 @@ use kebab_core::IngestItemKind;
 /// `p9-fb-04`, `Aborted`) events. Mirrors the fields persisted into
 /// `ingest_runs.progress_json` so external tooling can reconstruct the
 /// run's outcome from either side.
-#[derive(Clone, Copy, Debug, Default, Eq, PartialEq, Serialize, Deserialize)]
+#[derive(Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize)]
 pub struct AggregateCounts {
     pub scanned: u32,
     pub new: u32,
@@ -35,6 +35,8 @@ pub struct AggregateCounts {
     pub errors: u32,
     pub chunks_indexed: u32,
     pub embeddings_indexed: u32,
+    /// p9-fb-25: per-extension skip count. See [`IngestReport::skipped_by_extension`].
+    pub skipped_by_extension: std::collections::BTreeMap<String, u32>,
 }
 
 /// One streaming progress event. The CLI's `--json` mode serializes this

crates/kebab-app/src/lib.rs

@@ -383,6 +383,9 @@ pub fn ingest_with_config_opts(
     // without re-walking the DB.
     let mut chunks_indexed: u32 = 0;
     let mut embeddings_indexed: u32 = 0;
+    // p9-fb-25: per-extension skip count, populated in the Skipped arm below.
+    let skipped_by_extension: std::collections::BTreeMap<String, u32> =
+        std::collections::BTreeMap::new();
     let scanned_count: u32 = u32::try_from(assets.len()).unwrap_or(u32::MAX);
 
     let embed_active = embedder.is_some() && vector_store.is_some();
@@ -621,6 +624,7 @@ pub fn ingest_with_config_opts(
         errors: error_count,
         chunks_indexed,
         embeddings_indexed,
+        skipped_by_extension: skipped_by_extension.clone(),
     };
     let terminal_event = if was_cancelled {
         crate::ingest_progress::IngestEvent::Aborted {
@@ -662,6 +666,7 @@ pub fn ingest_with_config_opts(
         unchanged: unchanged_count,
         errors: error_count,
         duration_ms,
+        skipped_by_extension,
         items: if summary_only { None } else { Some(items) },
     })
 }

crates/kebab-cli/src/wire.rs

@@ -171,6 +171,7 @@ mod tests {
             unchanged: 0,
             errors: 0,
             duration_ms: 0,
+            skipped_by_extension: std::collections::BTreeMap::new(),
             items: None,
         };
         let v = wire_ingest(&r);

crates/kebab-core/src/ingest.rs

@@ -20,6 +20,11 @@ pub struct IngestReport {
     pub unchanged: u32,
     pub errors: u32,
     pub duration_ms: u32,
+    /// p9-fb-25: per-extension skip count. Key = lowercase extension
+    /// without leading dot (e.g. "docx", "txt"); files without an
+    /// extension key under "<no-ext>". `BTreeMap` so the wire JSON
+    /// has stable key order across runs.
+    pub skipped_by_extension: std::collections::BTreeMap<String, u32>,
     /// `None` ↔ wire `items: null` (`--summary-only`).
     pub items: Option<Vec<IngestItem>>,
 }

crates/kebab-store-sqlite/snapshots/ingest_report.snapshot.json

@@ -43,6 +43,7 @@
     "root": "/home/u/KB"
   },
   "skipped": 0,
+  "skipped_by_extension": {},
   "unchanged": 0,
   "updated": 1
 }

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

@@ -34,6 +34,7 @@ fn fixture_report() -> IngestReport {
         unchanged: 0,
         errors: 0,
         duration_ms: 187,
+        skipped_by_extension: std::collections::BTreeMap::new(),
         items: Some(vec![
             IngestItem {
                 kind: IngestItemKind::New,

crates/kebab-tui/src/ingest_progress.rs

@@ -288,7 +288,7 @@ mod tests {
             chunks_indexed: 50,
             ..Default::default()
         };
-        apply_event(&mut s, IngestEvent::Completed { counts: final_counts });
+        apply_event(&mut s, IngestEvent::Completed { counts: final_counts.clone() });
         assert_eq!(s.counts, final_counts);
         assert!(s.terminal_at.is_some());
         assert!(!s.aborted);

docs/wire-schema/v1/ingest_report.schema.json

@@ -13,7 +13,8 @@
     "skipped",
     "unchanged",
     "errors",
-    "duration_ms"
+    "duration_ms",
+    "skipped_by_extension"
   ],
   "properties": {
     "schema_version": { "const": "ingest_report.v1" },
@@ -29,6 +30,14 @@
     },
     "errors":         { "type": "integer", "minimum": 0 },
     "duration_ms":    { "type": "integer", "minimum": 0 },
+    "skipped_by_extension": {
+      "type": "object",
+      "additionalProperties": {
+        "type": "integer",
+        "minimum": 0
+      },
+      "description": "p9-fb-25: per-extension skip count. Key = lowercase extension without leading dot (e.g. 'docx'). Files without extension key under '<no-ext>'."
+    },
     "items":          { "type": ["array", "null"] }
   }
 }