feat(knowledge): add document creation and import

tests/test_knowledge_web.py

@@ -47,15 +47,80 @@ def test_knowledge_frontend_management_contract():
     js = (root / "channel/web/static/js/console.js").read_text(encoding="utf-8")
 
     assert 'id="knowledge-dialog-overlay"' in html
+    assert 'id="knowledge-dialog-textarea"' in html
+    assert 'id="knowledge-document-form"' in html
+    assert 'id="knowledge-document-path-preview"' in html
     assert "function openKnowledgeDialog(" in js
     assert "function _knowledgeCategoryPaths(" in js
     assert "dispatchKnowledgeAction('create_category'" in js
+    assert "dispatchKnowledgeAction('create_document'" in js
     assert "dispatchKnowledgeAction('rename_category'" in js
     assert "dispatchKnowledgeAction('delete_category'" in js
     assert "dispatchKnowledgeAction('delete_documents'" in js
     assert "dispatchKnowledgeAction('move_documents'" in js
+    assert 'id="knowledge-import-input"' in html
+    assert "function createKnowledgeDocument(" in js
+    assert "function openKnowledgeDocumentEditor(" in js
+    assert "documentPathPreview.textContent = options.category" in js
+    assert "options.type === 'document'" in js
+    assert "input.classList.toggle('hidden', options.type === 'select' || options.type === 'textarea' || options.type === 'document')" in js
+    assert "function selectKnowledgeImportFiles(" in js
+    assert "function importKnowledgeDocuments(" in js
+    assert "function validateKnowledgeImportFiles(" in js
+    assert "KNOWLEDGE_IMPORT_MAX_FILE_SIZE" in js
+    assert "fetch('/api/knowledge/import'" in js
+    assert "initKnowledgeImportDropZone()" in js
 
     knowledge_section = js[js.index("// Knowledge View"):js.index("function _hasFilterMatch")]
     assert "prompt(" not in knowledge_section
     assert "alert(" not in knowledge_section
     assert "if (path === 'index.md' || path === 'log.md') return '';" in knowledge_section
+
+
+class UploadedFile:
+    def __init__(self, filename, content):
+        self.filename = filename
+        self.value = content
+
+
+def test_knowledge_import_handler_delegates_to_dispatch(tmp_path):
+    from channel.web.web_channel import KnowledgeImportHandler
+
+    dispatched = {"action": "import_documents", "code": 200, "message": "success",
+                  "payload": {"imported": 2, "skipped": 0, "failed": 0}}
+    params = {
+        "target_category": "notes",
+        "conflict_strategy": "rename",
+        "files": [UploadedFile("a.md", b"# A"), UploadedFile("b.txt", b"B")],
+    }
+
+    with patch("channel.web.web_channel._require_auth"), \
+         patch("channel.web.web_channel.web.header"), \
+         patch("channel.web.web_channel._raw_web_input", return_value=params), \
+         patch("channel.web.web_channel._get_workspace_root", return_value=str(tmp_path)), \
+         patch("agent.knowledge.service.KnowledgeService.dispatch", return_value=dispatched) as dispatch:
+        response = json.loads(KnowledgeImportHandler().POST())
+
+    dispatch.assert_called_once()
+    action, payload = dispatch.call_args.args
+    assert action == "import_documents"
+    assert payload["target_category"] == "notes"
+    assert payload["conflict_strategy"] == "rename"
+    assert [f["filename"] for f in payload["files"]] == ["a.md", "b.txt"]
+    assert response["status"] == "success"
+    assert response["payload"]["imported"] == 2
+
+
+def test_knowledge_import_handler_rejects_large_content_length(tmp_path):
+    from channel.web.web_channel import KnowledgeImportHandler
+    from agent.knowledge.service import KnowledgeService
+
+    with patch("channel.web.web_channel._require_auth"), \
+         patch("channel.web.web_channel.web.header"), \
+         patch("channel.web.web_channel.web.ctx") as ctx:
+        ctx.env = {"CONTENT_LENGTH": str(KnowledgeService.MAX_IMPORT_TOTAL_SIZE + 1)}
+        response = json.loads(KnowledgeImportHandler().POST())
+
+    assert response["status"] == "error"
+    assert response["code"] == 413
+    assert response["message"] == "import batch too large"