fix(export_docs): Gitea wiki link targets and INDEX.md pages

Strip .md from internal links, merge folder INDEX bodies, rewrite out-of-wiki repo paths to Gitea src URLs.

Co-authored-by: Cursor <cursoragent@cursor.com>

export_docs.py

@@ -14,6 +14,8 @@ if str(TOOL_ROOT) not in sys.path:
 
 from export1c_help import __status__, __version__  # noqa: E402
 from export1c_help.docs_export import (  # noqa: E402
+    RepoLinkContext,
+    _git_web_base,
     build_docs_output,
     clean_docs_wiki,
     collect_docs,
@@ -119,6 +121,15 @@ def cmd_push(args: argparse.Namespace) -> int:
             src = top
             slug = re.sub(r"[^\w.\-]+", "-", top.name, flags=re.UNICODE).strip("-") or "repo"
         folder = validate_folder(args.folder)
+        repo_remote = git_remote_url(src if src_input is None else git_toplevel(src) or src, remote=args.remote)
+        repo_root = git_toplevel(src) or src
+        repo_ctx: RepoLinkContext | None = None
+        if repo_remote:
+            repo_ctx = RepoLinkContext(
+                root=repo_root.resolve(),
+                web_base=_git_web_base(repo_remote),
+                branch=args.branch,
+            )
     except (ResolveError, ValueError) as exc:
         print(f"error: {exc}", file=sys.stderr)
         return 1
@@ -150,6 +161,7 @@ def cmd_push(args: argparse.Namespace) -> int:
         folder=folder,
         flat_root=not args.no_flat_root,
         clean=True,
+        repo=repo_ctx,
     )
     print(
         f"collect: md={build_stats.markdown_files}, attachments={build_stats.attachment_files}, "