Method renderStaleNodeSection

src/mcp/tools.ts:6299–6340

* codegraph_node render for a symbol whose file changed on disk after the * last index sync (issue #1474). The indexed line range is no longer * trustworthy, so no slice is emitted: a small file gets its full CURRENT * source (Read-parity — sufficiency preserved, the agent still doesn't nee

(cg: CodeGraph, node: Node, includeCode: boolean)

   * possibly shifted.
   */
  private renderStaleNodeSection(cg: CodeGraph, node: Node, includeCode: boolean): string {
    const lines: string[] = [
      `**${node.name}** (${node.kind})`,
      '',
      `**Location:** ${node.filePath}${node.startLine ? `:${node.startLine}` : ''} — ⚠ as of the last index sync; the file has changed on disk since, so this line may be shifted`,
    ];
    if (node.signature) {
      lines.push(`**Signature:** \`${node.signature}\``);
    }
    lines.push('');
    let embedded = false;
    if (includeCode) {
      try {
        const absPath = validatePathWithinRoot(cg.getProjectRoot(), node.filePath);
        if (absPath && existsSync(absPath) && !isConfigLeafNode(node)) {
          const content = readFileSync(absPath, 'utf-8');
          const body = content.replace(/\n+$/, '');
          if (
            body.length <= ToolHandler.STALE_WHOLE_FILE_MAX_CHARS &&
            body.split('\n').length <= ToolHandler.STALE_WHOLE_FILE_MAX_LINES
          ) {
            lines.push(
              `> ⚠ \`${node.filePath}\` changed on disk after it was last indexed, so the indexed line range for this symbol may no longer match. Showing the file's full CURRENT source instead (Read-parity — treat it as already Read):`,
              '',
              '```' + (node.language || ''),
              numberSourceLines(body, 1),
              '```',
            );
            embedded = true;
          }
        }
      } catch {
        /* fall through to the notice */
      }
    }
    if (!embedded) {
      lines.push(
        `> ⚠ \`${node.filePath}\` changed on disk after it was last indexed — the indexed line range for this symbol no longer reliably matches, so its body is omitted rather than risk showing a different symbol's code. For current content, call codegraph_node with \`file: "${node.filePath}"\` (no symbol; \`offset\`/\`limit\` narrow it like Read), or Read the file. The change is picked up automatically on that project's next index sync.`,
      );
    }
    return lines.join('\n') + this.formatTrail(cg, node);
  }

  /**
   * Build the "trail" for a symbol: its direct callees (what it calls) and