diff --git a/docs/reference/canonical-lease-renew.md b/docs/reference/canonical-lease-renew.md
index 5a12813470..f00b3d8adf 100644
--- a/docs/reference/canonical-lease-renew.md
+++ b/docs/reference/canonical-lease-renew.md
@@ -73,6 +73,11 @@ cooperative code-edit coordination, not a filesystem access-control mechanism.
 It does not authorize changing shared runtime data, Git administration, remote
 branches, or merging. Use ordinary exclusive leases for those operations.
 
+Accepted origin URLs use the same repository identity rules as Todo declarations:
+explicit default transport ports (including SSH `:22` and Git `:9418`) do not
+create another repository, while nondefault ports remain distinct. Origins with
+passwords or unsafe path segments are rejected before lease acquisition.
+
 Same-worktree aliases, the same Todo, other machines or clones, and grants
 without a verified workspace retain existing exclusion. Repository mismatch,
 redirected paths and a non-worktree root fail closed. Verified machine discovery
@@ -103,6 +108,10 @@ JSON 与 Markdown 读回同一仓库字段或未知状态。这只是 Goal 内
 不识别物理目录、软链接别名，也不是跨 Goal 锁；不新增配置、promotion 或自动
 委派。CLI 与 native provider 检查已覆盖该边界，完整前端/Lark 协作旅程仍需单独交付。
 
+独立 worktree 的 origin URL 与 Todo 声明使用同一仓库身份规则：显式默认端口
+（包括 SSH `:22` 和 Git `:9418`）不产生另一个仓库身份，非默认端口仍须匹配。
+带密码或不安全路径段的 origin 在获取租约前被拒绝。
+
 ## Operate the current lease
 
 Read the current canonical lease and use its owner, execution key and version:
diff --git a/loopx/control_plane/work_items/task_lease_workspace.ts b/loopx/control_plane/work_items/task_lease_workspace.ts
index 3c6778dafe..0ea68f074f 100644
--- a/loopx/control_plane/work_items/task_lease_workspace.ts
+++ b/loopx/control_plane/work_items/task_lease_workspace.ts
@@ -9,6 +9,7 @@ import {BARE_SHA256_PATTERN} from "../content_digest.ts";
 import type {JsonObject} from "../effect_program.ts";
 import {EffectRuntimeRequestError} from "../effect_runtime_errors.ts";
 import {requireJsonObject} from "../runtime_decode.ts";
+import {normalizeTodoRepository} from "../todos/work_requirements.ts";
 import {leaseWriteRepository} from "./task_lease_repository.ts";
 
 export interface LeaseWorkspace extends JsonObject {
@@ -84,10 +85,11 @@ export async function observeLeaseWorktree(path: string, overlaps: (path: string
   const remote = await git("remote", "get-url", "origin");
   const scp = /^[^@/:]+@([^/:]+):(.+)$/u.exec(remote);
   const url = scp ? new URL(`ssh://${scp[1]}/${scp[2]}`) : new URL(remote);
-  if (!["ssh:", "https:", "http:"].includes(url.protocol) || !url.hostname || url.search || url.hash) {
+  if (!["git:", "ssh:", "https:", "http:"].includes(url.protocol) || !url.hostname || url.search || url.hash) {
     throw new EffectRuntimeRequestError("worktree origin must identify a Git repository");
   }
-  const repository = leaseWriteRepository(`git:${url.host.toLowerCase()}/${url.pathname.replace(/^\/+|\/+$/gu, "").replace(/\.git$/u, "")}`)!;
+  // Validate the transport above, but share the Todo's raw-remote identity codec.
+  const repository = leaseWriteRepository(normalizeTodoRepository(remote))!;
   // Private local paths are not persisted. Filesystem inode identity collapses
   // symlink/case aliases; a recreated directory gets a new identity.
   const key = async (p: string) => {const s = await stat(p); return digest(`${s.dev}:${s.ino}`);};
diff --git a/tests/control_plane_ts/task_lease_workspace.test.ts b/tests/control_plane_ts/task_lease_workspace.test.ts
index 3961b3ee41..054d86a98b 100644
--- a/tests/control_plane_ts/task_lease_workspace.test.ts
+++ b/tests/control_plane_ts/task_lease_workspace.test.ts
@@ -1,5 +1,9 @@
 import assert from "node:assert/strict";
 import test from "node:test";
+import {execFileSync} from "node:child_process";
+import {mkdtemp, rm} from "node:fs/promises";
+import {platform, tmpdir} from "node:os";
+import {join} from "node:path";
 import {evaluateTaskLeaseAcquireDecision} from "../../loopx/control_plane/work_items/task_lease_acquire_decision.ts";
 import {leaseWorkspace, independentLeaseWorktrees, observeLeaseWorktree} from "../../loopx/control_plane/work_items/task_lease_workspace.ts";
 
@@ -9,6 +13,51 @@ test("native observation never interprets a caller path relative to the worker",
   await assert.rejects(observeLeaseWorktree(".", () => false), /absolute/);
 });
 
+test("observed Git origins use the Todo repository identity contract", {
+  skip: !["darwin", "linux"].includes(platform()),
+}, async t => {
+  const temporary = await mkdtemp(join(tmpdir(), "loopx-lease-origin-"));
+  t.after(() => rm(temporary, {recursive: true, force: true}));
+  const main = join(temporary, "main"), worktree = join(temporary, "worktree");
+  const git = (...args: string[]) => execFileSync("git", args, {stdio: "pipe"});
+  git("init", main);
+  git("-C", main, "-c", "user.name=Fixture", "-c", "user.email=fixture@example.com",
+    "commit", "--allow-empty", "-m", "fixture");
+  git("-C", main, "worktree", "add", "-b", "fixture", worktree);
+  for (const [origin, expected] of [
+    ["https://GITHUB.com:443/example/project.git", repo],
+    ["ssh://git@github.com:22/example/project.git", repo],
+    ["git://github.com:9418/example/project.git", repo],
+    ["git@github.com:example/project.git", repo],
+    ["ssh://git@github.com/example//project.git", repo],
+    ["ssh://git@github.com:2222/example/project.git", "git:github.com:2222/example/project"],
+  ]) {
+    await t.test(origin, async () => {
+      git("-C", main, "config", "remote.origin.url", origin);
+      const observed = await observeLeaseWorktree(worktree, () => false);
+      assert.equal(observed.repository, expected);
+      const input = request();
+      const decision = evaluateTaskLeaseAcquireDecision({...input, other_leases: [],
+        todo: {...input.todo, task_repository: expected}, command: {...input.command, write_workspace: observed}});
+      assert.equal(decision.outcome, "apply");
+    });
+  }
+  for (const origin of [
+    "https://fixture:fixture@github.com/example/project.git",
+    "https://github.com/example/../project.git",
+    "https://github.com/example\\project.git",
+    "https://github.com/example/project.git?query=fixture",
+    "https://github.com/example/project.git#fragment",
+    "file:///example/project.git",
+    "git:github.com/example/project.git",
+  ]) {
+    await t.test(`reject ${origin}`, async () => {
+      git("-C", main, "config", "remote.origin.url", origin);
+      await assert.rejects(observeLeaseWorktree(worktree, () => false));
+    });
+  }
+});
+
 function request(other: unknown = {...workspace, worktree: "4".repeat(64)}) {
   return {handoff_mode: "hard_lease", registered_agents: ["agent-a", "agent-b"],
     todo: {todo_id: "todo_a", status: "open", claimed_by: "agent-a", excluded_agents: [], task_repository: repo}, lease: null,
diff --git a/tests/test_task_lease_worktree.py b/tests/test_task_lease_worktree.py
index 6810149a2d..b9e067b0a5 100644
--- a/tests/test_task_lease_worktree.py
+++ b/tests/test_task_lease_worktree.py
@@ -12,7 +12,13 @@
 
 @pytest.mark.skipif(sys.platform not in {"darwin", "linux"}, reason="verified host identity currently supports macOS/Linux")
 @pytest.mark.parametrize("provider", ["file", "sqlite"])
-def test_worktree_scope_admission_and_replay(tmp_path, monkeypatch, capsys, provider):
+@pytest.mark.parametrize("origin,repository", [
+    ("https://github.com/example/project.git", "git:github.com/example/project"),
+    ("ssh://git@github.com:22/example/project.git", "git:github.com/example/project"),
+    ("git://github.com:9418/example/project.git", "git:github.com/example/project"),
+    ("ssh://git@github.com:2222/example/project.git", "git:github.com:2222/example/project"),
+])
+def test_worktree_scope_admission_and_replay(tmp_path, monkeypatch, capsys, provider, origin, repository):
     isolate_sqlite_runtime(tmp_path, monkeypatch)
     project = tmp_path / "repo"
     project.mkdir()
@@ -22,7 +28,7 @@ def git(*args):
 
     git("init")
     git("-c", "user.name=Fixture", "-c", "user.email=fixture@example.com", "commit", "--allow-empty", "-m", "fixture")
-    git("remote", "add", "origin", "https://github.com/example/project.git")
+    git("remote", "add", "origin", origin)
     a, b = tmp_path / "a", tmp_path / "b"
     git("worktree", "add", "-b", "a", str(a))
     git("worktree", "add", "-b", "b", str(b))
@@ -38,7 +44,7 @@ def git(*args):
     projection = build_todo_runtime_shadow_projection(goal_id=goal, handoff_mode="hard_lease", leases=[], todos=[{
         "schema_version": "todo_item_v0", "todo_id": f"todo_worktree_{key}", "role": "agent", "status": "open", "done": False,
         "text": "Isolated code editing", "archive_state": "active", "source_section": "Agent Todo", "index": i,
-        "task_class": "advancement_task", "claimed_by": owner, "task_repository": "git:github.com/example/project",
+        "task_class": "advancement_task", "claimed_by": owner, "task_repository": repository,
     } for i, (key, owner) in enumerate([("a", "agent-a"), ("b", "agent-b"), ("c", "agent-b"), ("d", "agent-b")], 1)])
     initialize_canonical_authority(runtime, goal, projection, state_path=state, provider=provider)
     state.unlink()
@@ -76,9 +82,14 @@ def acquire(key, path, expected=0, scope="src/**"):
     # An unrelated ignored link must not prevent a narrow code-edit lease.
     (a / "outside").symlink_to(project, target_is_directory=True)
     monkeypatch.chdir(a)
+    git("remote", "set-url", "origin", "ssh://git@github.com:2223/example/project.git")
+    assert acquire("a", a, expected=1)["error_code"] == "lease_workspace_repository_mismatch"
+    git("remote", "set-url", "origin", origin)
     first = acquire("a", Path("."))
     assert first["source_authority"] == provider + "_v0"
     assert "write_workspace" in first["lease"]
+    assert first["lease"]["write_repository"] == repository
+    assert first["lease"]["write_workspace"]["repository"] == repository
     assert str(tmp_path) not in json.dumps(first["lease"])
     conflict = acquire("c", alias, expected=1)
     assert conflict["error_code"] == "write_scope_conflict"