memoryサーチツールを実装

crates/manifest/src/config.rs

@@ -205,6 +205,8 @@ impl MemoryConfig {
     fn merge(self, upper: Self) -> Self {
         Self {
             workspace_root: upper.workspace_root.or(self.workspace_root),
+            search_hit_limit: upper.search_hit_limit.or(self.search_hit_limit),
+            search_excerpt_lines: upper.search_excerpt_lines.or(self.search_excerpt_lines),
         }
     }
 }

crates/manifest/src/lib.rs

@@ -54,6 +54,14 @@ pub struct MemoryConfig {
     /// absolute path.
     #[serde(default)]
     pub workspace_root: Option<PathBuf>,
+    /// Maximum number of hits returned by `MemorySearch` /
+    /// `KnowledgeSearch`. `None` ⇒ tool default (20).
+    #[serde(default)]
+    pub search_hit_limit: Option<usize>,
+    /// Lines of context before and after each match in search excerpts.
+    /// `None` ⇒ tool default (3).
+    #[serde(default)]
+    pub search_excerpt_lines: Option<usize>,
 }
 
 /// Pod metadata.