feat: add hashline editing and TypeScript LSP

tests/tool-routing.test.ts

@@ -21,13 +21,29 @@ test("search routing narrows files before requesting matching line numbers", ()
 	assert.match(section, /Use read with offset\/limit only for the exact matching region/);
 });
 
-test("ctx_execute_file routing warns about its project-root boundary", () => {
-	const section = buildToolRoutingSection(["ctx_execute_file"]);
+test("context routing analyzes large files without a full read", () => {
+	const section = buildToolRoutingSection(["ctx_execute", "ctx_execute_file"]);
 
+	assert.match(section, /Prefer ctx_execute_file over read when deriving an answer from a large file/);
 	assert.match(section, /ctx_execute_file is confined to the current project root/);
 	assert.match(section, /host permission approval does not bypass this Context Mode boundary/);
 });
 
+test("hashline routing uses small reads and fresh anchors for edits", () => {
+	const section = buildToolRoutingSection(["read", "edit"]);
+
+	assert.match(section, /smallest useful offset\/limit range/);
+	assert.match(section, /obtain fresh LINE#HASH anchors with a small read/);
+	assert.match(section, /Reuse fresh anchors returned by successful edits/);
+});
+
+test("LSP routing covers navigation and post-edit diagnostics", () => {
+	const section = buildToolRoutingSection(["lsp_definition", "lsp_references", "lsp_diagnostics"]);
+
+	assert.match(section, /Use LSP for symbol definitions, references/);
+	assert.match(section, /post-edit diagnostics/);
+});
+
 test("routing includes only guidance for active optional tools", () => {
 	const section = buildToolRoutingSection(["read"]);
 
@@ -35,7 +51,8 @@ test("routing includes only guidance for active optional tools", () => {
 	assert.doesNotMatch(section, /For literal search/);
 	assert.doesNotMatch(section, /Use Context Mode/);
 	assert.doesNotMatch(section, /ctx_execute_file is confined/);
-	assert.match(section, /Use read directly/);
+	assert.doesNotMatch(section, /fresh LINE#HASH anchors/);
+	assert.match(section, /Use read only when exact source is needed/);
 });
 
 test("routing is appended once", () => {