Use Obsidian link parsing for wikilinks

src/features/chat/composer/wikilink-context.ts

@@ -1,5 +1,6 @@
 import type { SkillMetadata } from "../../../generated/app-server/v2/SkillMetadata";
 import type { UserInput } from "../../../generated/app-server/v2/UserInput";
+import { parseObsidianWikiLink } from "../../../shared/obsidian/wikilinks";
 
 export interface ParsedWikiLink {
   raw: string;
@@ -76,24 +77,8 @@ export function parsedSkillReferences(text: string): string[] {
 }
 
 function parseWikiLink(raw: string): ParsedWikiLink | null {
-  const separator = raw.indexOf("|");
-  const linkPart = (separator === -1 ? raw : raw.slice(0, separator)).trim();
-  const display = separator === -1 ? "" : raw.slice(separator + 1).trim();
-  if (!linkPart) return null;
-
-  const subpathStart = firstSubpathIndex(linkPart);
-  const target = subpathStart === -1 ? linkPart : linkPart.slice(0, subpathStart).trim();
-  const subpath = subpathStart === -1 ? "" : linkPart.slice(subpathStart).trim();
-  if (!target) return null;
-  return { raw, target, subpath, display };
-}
-
-function firstSubpathIndex(linkPart: string): number {
-  const headingIndex = linkPart.indexOf("#");
-  const blockIndex = linkPart.indexOf("^");
-  if (headingIndex === -1) return blockIndex;
-  if (blockIndex === -1) return headingIndex;
-  return Math.min(headingIndex, blockIndex);
+  const parsed = parseObsidianWikiLink(raw);
+  return parsed ? { raw, ...parsed } : null;
 }
 
 function firstEnabledSkillByName(skills: SkillMetadata[]): Map<string, SkillMetadata> {

src/shared/obsidian/wikilinks.ts

@@ -0,0 +1,23 @@
+import { parseLinktext } from "obsidian";
+
+export interface ParsedObsidianWikiLink {
+  target: string;
+  subpath: string;
+  display: string;
+}
+
+export function parseObsidianWikiLink(raw: string): ParsedObsidianWikiLink | null {
+  const trimmed = raw.trim();
+  if (!trimmed) return null;
+
+  const separator = trimmed.indexOf("|");
+  const linktext = (separator === -1 ? trimmed : trimmed.slice(0, separator)).trim();
+  const display = separator === -1 ? "" : trimmed.slice(separator + 1).trim();
+  if (!linktext) return null;
+
+  const parsed = parseLinktext(linktext);
+  const target = parsed.path.trim();
+  const subpath = parsed.subpath.trim();
+  if (!target) return null;
+  return { target, subpath, display };
+}

src/shared/ui/dom.ts

@@ -1,3 +1,5 @@
+import { parseObsidianWikiLink } from "../obsidian/wikilinks";
+
 export function shortSignature(value: string): string {
   let hash = 0;
   for (let index = 0; index < value.length; index += 1) {
@@ -19,13 +21,13 @@ export function renderTextWithWikiLinks(parent: HTMLElement, text: string, openL
     const rawLink = match[1];
     const rawMatch = match[0];
     if (rawLink === undefined) continue;
-    const separator = rawLink.indexOf("|");
-    const target = (separator === -1 ? rawLink : rawLink.slice(0, separator)).trim();
-    const label = (separator === -1 ? rawLink : rawLink.slice(separator + 1)).trim() || target;
+    const parsed = parseObsidianWikiLink(rawLink);
 
-    if (target.length === 0) {
+    if (!parsed) {
       parent.appendChild(doc.createTextNode(rawMatch));
     } else {
+      const target = `${parsed.target}${parsed.subpath}`;
+      const label = parsed.display || target;
       const link = parent.createEl("a", {
         cls: "internal-link codex-panel__wikilink",
         text: label,

tests/features/chat/ui/view-dom.test.ts

@@ -24,15 +24,15 @@ describe("view DOM helpers", () => {
     const parent = document.createElement("div");
     const openLink = vi.fn();
 
-    renderTextWithWikiLinks(parent, "See [[Target Note|label]] and [[Other]].", openLink);
+    renderTextWithWikiLinks(parent, "See [[Target Note#Heading|label]] and [[Other]].", openLink);
 
     const links = parent.querySelectorAll<HTMLAnchorElement>("a.internal-link");
     const firstLink = expectPresent(links[0]);
     expect(links).toHaveLength(2);
     expect(firstLink.textContent).toBe("label");
-    expect(firstLink.getAttribute("href")).toBe("Target Note");
+    expect(firstLink.getAttribute("href")).toBe("Target Note#Heading");
 
     firstLink.click();
-    expect(openLink).toHaveBeenCalledWith("Target Note");
+    expect(openLink).toHaveBeenCalledWith("Target Note#Heading");
   });
 });

tests/mocks/obsidian.ts

@@ -89,6 +89,15 @@ export function sortSearchResults(results: { match: { score: number } }[]): void
   results.sort((a, b) => b.match.score - a.match.score);
 }
 
+export function parseLinktext(linktext: string): { path: string; subpath: string } {
+  const headingIndex = linktext.indexOf("#");
+  const blockIndex = linktext.indexOf("^");
+  const subpathStart = headingIndex === -1 ? blockIndex : blockIndex === -1 ? headingIndex : Math.min(headingIndex, blockIndex);
+  return subpathStart === -1
+    ? { path: linktext, subpath: "" }
+    : { path: linktext.slice(0, subpathStart), subpath: linktext.slice(subpathStart) };
+}
+
 export class Modal {
   readonly contentEl: HTMLElement;