feat(source): tags in the typed persona schema and selection corpus

crates/frameshift-orchestrator/src/index.rs

@@ -118,6 +118,10 @@ impl PersonaProfile {
         if let Some(desc) = &src.persona.description {
             text_parts.push(desc.clone());
         }
+        // Topical tags bias keyword-based selection, mirroring the pack.toml path.
+        for tag in &src.persona.tags {
+            text_parts.push(tag.clone());
+        }
         text_parts.push(src.persona.voice.tone.clone());
         if let Some(vt) = &src.persona.voice.text {
             text_parts.push(vt.clone());
@@ -626,6 +630,7 @@ mod tests {
                 name: name.to_string(),
                 version: None,
                 description: Some(format!("{name} persona for testing")),
+                tags: vec![],
                 license: None,
                 author: None,
                 extends: None,
@@ -673,6 +678,22 @@ mod tests {
             .any(|k| k == "rust" || k == "expert"));
     }
 
+    /// persona.toml tags land in the selection keyword corpus.
+    #[test]
+    fn profile_includes_tags_in_keywords() {
+        let mut src = minimal_source("helper", "neutral tone");
+        src.persona.tags = vec!["embedded".to_string(), "Firmware".to_string()];
+        let profile = PersonaProfile::from_source(&src);
+        assert!(
+            profile.keywords.iter().any(|k| k == "embedded"),
+            "tag should appear in keywords"
+        );
+        assert!(
+            profile.keywords.iter().any(|k| k == "firmware"),
+            "tags should be lowercased like the rest of the corpus"
+        );
+    }
+
     /// PersonaIndex::build creates one profile per source.
     #[test]
     fn index_build_count() {

crates/frameshift-source/src/diff.rs

@@ -248,6 +248,7 @@ mod tests {
                 name: "test".to_string(),
                 version: None,
                 description: None,
+                tags: vec![],
                 license: None,
                 author: None,
                 extends: None,

crates/frameshift-source/src/persona.rs

@@ -179,6 +179,10 @@ pub struct Persona {
     /// Short human-readable description of what this persona does.
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub description: Option<String>,
+    /// Topical tags that bias keyword-based persona selection and feed
+    /// registry search, mirroring the `tags` field in `pack.toml`.
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    pub tags: Vec<String>,
     /// SPDX license identifier for this persona pack.
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub license: Option<String>,
@@ -263,6 +267,7 @@ impl Persona {
             name: name.into(),
             version: None,
             description: None,
+            tags: Vec::new(),
             license: None,
             author: None,
             extends: None,
@@ -319,6 +324,7 @@ mod tests {
             name: "cryptographic".to_string(),
             version: None,
             description: None,
+            tags: Vec::new(),
             license: None,
             author: None,
             extends: None,
@@ -368,6 +374,7 @@ mod tests {
             name: "enriched".to_string(),
             version: Some("1.2.3".to_string()),
             description: Some("A fully-enriched test persona.".to_string()),
+            tags: vec!["security".to_string(), "rust".to_string()],
             license: Some("MIT".to_string()),
             author: Some(Author {
                 handle: "testauthor".to_string(),

crates/frameshift-source/src/render.rs

@@ -448,6 +448,7 @@ mod tests {
                 name: "demo".to_string(),
                 version: None,
                 description: None,
+                tags: vec![],
                 license: None,
                 author: None,
                 extends: None,
@@ -740,6 +741,7 @@ mod tests {
                 name: "demo".to_string(),
                 version: None,
                 description: None,
+                tags: vec![],
                 license: None,
                 author: None,
                 extends: None,

crates/frameshift-source/src/source.rs

@@ -239,6 +239,7 @@ mod tests {
                 name: "demo".to_string(),
                 version: None,
                 description: None,
+                tags: vec![],
                 license: None,
                 author: None,
                 extends: None,