diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 029aad5..d060705 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -36,6 +36,7 @@ jobs:
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           github_token: ${{ secrets.GITHUB_TOKEN }}
+          allowed_bots: Copilot,app/copilot,dependabot,github-actions
           trigger_phrase: '@claude'
           mode: agent
           assignee_trigger: claude
@@ -105,6 +106,7 @@ jobs:
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           github_token: ${{ secrets.GITHUB_TOKEN }}
+          allowed_bots: Copilot,app/copilot,dependabot,github-actions
           trigger_phrase: '@claude'
           assignee_trigger: claude
           mode: agent
@@ -128,6 +130,7 @@ jobs:
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           github_token: ${{ secrets.GITHUB_TOKEN }}
+          allowed_bots: Copilot,app/copilot,dependabot,github-actions
           trigger_phrase: '@claude'
           assignee_trigger: claude
           label_trigger: claude
@@ -151,6 +154,7 @@ jobs:
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           github_token: ${{ secrets.GITHUB_TOKEN }}
+          allowed_bots: Copilot,app/copilot,dependabot,github-actions
           trigger_phrase: '@claude'
           assignee_trigger: claude
           mode: agent
diff --git a/crates/ast-engine/src/tree_sitter/mod.rs b/crates/ast-engine/src/tree_sitter/mod.rs
index ad21149..caa22e8 100644
--- a/crates/ast-engine/src/tree_sitter/mod.rs
+++ b/crates/ast-engine/src/tree_sitter/mod.rs
@@ -145,7 +145,6 @@ fn parse_lang(
 ///
 /// ```rust,no_run
 /// # use thread_ast_engine::tree_sitter::StrDoc;
-/// # use thread_ast_engine::Doc;
 /// # #[derive(Clone, Debug)]
 /// # struct JavaScript;
 /// # impl thread_ast_engine::Language for JavaScript {
@@ -404,7 +403,7 @@ pub fn perform_edit<S: ContentExt>(tree: &mut Tree, input: &mut S, edit: &Edit<S
 /// use thread_ast_engine::tree_sitter::{LanguageExt, TSLanguage};
 /// use thread_ast_engine::Language;
 ///
-/// #[derive(Clone)]
+/// #[derive(Clone, Debug)]
 /// struct JavaScript;
 ///
 /// impl Language for JavaScript {
diff --git a/crates/services/src/types.rs b/crates/services/src/types.rs
index c9fdd9a..de9b7aa 100644
--- a/crates/services/src/types.rs
+++ b/crates/services/src/types.rs
@@ -621,13 +621,102 @@ impl Range {
         Self { start, end }
     }
 
-    /// Check if this range contains a position
+    /// Check if this range contains a position.
+    ///
+    /// Uses **inclusive** (closed-interval) semantics: a position exactly at
+    /// `start` or exactly at `end` is considered inside the range.
     pub fn contains(&self, pos: Position) -> bool {
         pos >= self.start && pos <= self.end
     }
 
-    /// Check if this range overlaps with another range
+    /// Check if this range overlaps with another range.
+    ///
+    /// Uses **inclusive** (closed-interval) semantics: two ranges that touch
+    /// at a single boundary point (i.e. one ends exactly where the other
+    /// starts) are considered overlapping.
     pub fn overlaps(&self, other: &Range) -> bool {
         self.start <= other.end && other.start <= self.end
     }
 }
+
+#[cfg(test)]
+mod range_tests {
+    use super::*;
+
+    // Helper to create positions
+    #[cfg(feature = "ast-grep-backend")]
+    fn pos(line: usize, byte_column: usize, byte_offset: usize) -> Position {
+        Position::new(line, byte_column, byte_offset)
+    }
+
+    #[cfg(not(feature = "ast-grep-backend"))]
+    fn pos(row: usize, column: usize, index: usize) -> Position {
+        Position::new(row, column, index)
+    }
+
+    #[test]
+    fn test_range_contains() {
+        let start = pos(1, 5, 15);
+        let end = pos(3, 10, 45);
+        let range = Range::new(start, end);
+
+        // Before range
+        assert!(!range.contains(pos(1, 4, 14)));
+        assert!(!range.contains(pos(0, 5, 5)));
+
+        // Exactly at start
+        assert!(range.contains(pos(1, 5, 15)));
+
+        // Inside range
+        assert!(range.contains(pos(2, 0, 25)));
+
+        // Exactly at end
+        assert!(range.contains(pos(3, 10, 45)));
+
+        // After range
+        assert!(!range.contains(pos(3, 11, 46)));
+        assert!(!range.contains(pos(4, 0, 50)));
+    }
+
+    #[test]
+    fn test_range_overlaps() {
+        let base_start = pos(2, 5, 25);
+        let base_end = pos(4, 10, 55);
+        let base = Range::new(base_start, base_end);
+
+        // 1. Completely before (no overlap)
+        let before = Range::new(pos(1, 0, 10), pos(2, 4, 24));
+        assert!(!base.overlaps(&before));
+        assert!(!before.overlaps(&base));
+
+        // 2. Touching at start boundary (inclusive: counts as overlap)
+        let abut_before = Range::new(pos(1, 0, 10), pos(2, 5, 25));
+        assert!(base.overlaps(&abut_before));
+        assert!(abut_before.overlaps(&base));
+
+        // 3. Overlapping start
+        let overlap_start = Range::new(pos(1, 0, 10), pos(3, 0, 35));
+        assert!(base.overlaps(&overlap_start));
+        assert!(overlap_start.overlaps(&base));
+
+        // 4. Completely inside
+        let inside = Range::new(pos(3, 0, 35), pos(3, 5, 40));
+        assert!(base.overlaps(&inside));
+        assert!(inside.overlaps(&base));
+
+        // 5. Overlapping end
+        let overlap_end = Range::new(pos(3, 0, 35), pos(5, 0, 65));
+        assert!(base.overlaps(&overlap_end));
+        assert!(overlap_end.overlaps(&base));
+
+        // 6. Touching at end boundary (inclusive: counts as overlap)
+        let abut_after = Range::new(pos(4, 10, 55), pos(5, 0, 65));
+        assert!(base.overlaps(&abut_after));
+        assert!(abut_after.overlaps(&base));
+
+        // 7. Completely after (no overlap)
+        let after = Range::new(pos(4, 11, 56), pos(5, 0, 65));
+        assert!(!base.overlaps(&after));
+        assert!(!after.overlaps(&base));
+    }
+}