diff --git a/task-templates/workflow/airouter-impl-narrow@1.yaml b/task-templates/workflow/airouter-impl-narrow@1.yaml
index fbe280d..18e776f 100644
--- a/task-templates/workflow/airouter-impl-narrow@1.yaml
+++ b/task-templates/workflow/airouter-impl-narrow@1.yaml
@@ -17,6 +17,13 @@ nodes:
   - id: agent
     kind: agent
     template: code-airouter-tdd-repo
+    runtime_env:
+      # WF-COMP-15: stage agents share one per-item work branch so their work
+      # accumulates (test-write -> scaffold -> impl -> integrate -> merge all
+      # see the same tree). Without AGENT_REPO_URL the agent-repo layer never
+      # clones and the agent's output evaporates (E2E 2026-07-04).
+      AGENT_REPO_URL: "git@gitea.oreillyit.nz-ai-enablement:skynet/agent-runtimes-agents.git"
+      AGENT_BRANCH: "task/${item.uuid}"
     prompt: "Implement the failing test. Test file: ${artifacts.test_file}. Skeleton: ${artifacts.impl_skeleton}."
 escalation:
   fixture_broken: fix-test-fixture-sonnet
diff --git a/task-templates/workflow/airouter-impl-ready@1.yaml b/task-templates/workflow/airouter-impl-ready@1.yaml
index 415cdad..4adb248 100644
--- a/task-templates/workflow/airouter-impl-ready@1.yaml
+++ b/task-templates/workflow/airouter-impl-ready@1.yaml
@@ -17,6 +17,13 @@ nodes:
   - id: agent
     kind: agent
     template: code-airouter-tdd-repo
+    runtime_env:
+      # WF-COMP-15: stage agents share one per-item work branch so their work
+      # accumulates (test-write -> scaffold -> impl -> integrate -> merge all
+      # see the same tree). Without AGENT_REPO_URL the agent-repo layer never
+      # clones and the agent's output evaporates (E2E 2026-07-04).
+      AGENT_REPO_URL: "git@gitea.oreillyit.nz-ai-enablement:skynet/agent-runtimes-agents.git"
+      AGENT_BRANCH: "task/${item.uuid}"
     labels: [airouter]
     prompt: "Implement the failing test. Test files: ${metadata.automation.test_files}. Spec IDs: ${metadata.automation.spec_ids}."
 escalation:
diff --git a/task-templates/workflow/integration@1.yaml b/task-templates/workflow/integration@1.yaml
index 0a1ca01..2e4106f 100644
--- a/task-templates/workflow/integration@1.yaml
+++ b/task-templates/workflow/integration@1.yaml
@@ -16,6 +16,13 @@ nodes:
   - id: agent
     kind: agent
     template: integration-direct
+    runtime_env:
+      # WF-COMP-15: stage agents share one per-item work branch so their work
+      # accumulates (test-write -> scaffold -> impl -> integrate -> merge all
+      # see the same tree). Without AGENT_REPO_URL the agent-repo layer never
+      # clones and the agent's output evaporates (E2E 2026-07-04).
+      AGENT_REPO_URL: "git@gitea.oreillyit.nz-ai-enablement:skynet/agent-runtimes-agents.git"
+      AGENT_BRANCH: "task/${item.uuid}"
     prompt: |
       You are the integration gate for this work item.
 
diff --git a/task-templates/workflow/merge@1.yaml b/task-templates/workflow/merge@1.yaml
index e50a849..aace22a 100644
--- a/task-templates/workflow/merge@1.yaml
+++ b/task-templates/workflow/merge@1.yaml
@@ -19,7 +19,7 @@ nodes:
     model: sonnet
     runtime_env:
       AGENT_REPO_URL: "git@gitea.oreillyit.nz-ai-enablement:skynet/agent-runtimes-agents.git"
-      AGENT_BRANCH: "spec/auto-draft"
+      AGENT_BRANCH: "task/${item.uuid}"
       AGENT_SKIP_BRANCH_PUSH: "true"
       AGENT_EMPTY_DELIVERABLE_CHECK: "false"
     prompt: "Review the implementation for '${item.title}' (project: ${item.project_id}). Write a concise merge checklist to /workspace/.agent-output/merge-checklist.md covering: (1) tests pass, (2) scope matches spec, (3) no regressions. End with MERGE_READY or NEEDS_REWORK."
diff --git a/task-templates/workflow/scaffold@1.yaml b/task-templates/workflow/scaffold@1.yaml
index b4ee9fb..0bbff15 100644
--- a/task-templates/workflow/scaffold@1.yaml
+++ b/task-templates/workflow/scaffold@1.yaml
@@ -16,6 +16,13 @@ nodes:
   - id: agent
     kind: agent
     template: scaffolding-repo
+    runtime_env:
+      # WF-COMP-15: stage agents share one per-item work branch so their work
+      # accumulates (test-write -> scaffold -> impl -> integrate -> merge all
+      # see the same tree). Without AGENT_REPO_URL the agent-repo layer never
+      # clones and the agent's output evaporates (E2E 2026-07-04).
+      AGENT_REPO_URL: "git@gitea.oreillyit.nz-ai-enablement:skynet/agent-runtimes-agents.git"
+      AGENT_BRANCH: "task/${item.uuid}"
     prompt: |
       Write stub implementations for the following task.
 
diff --git a/task-templates/workflow/sonnet-impl-narrow@1.yaml b/task-templates/workflow/sonnet-impl-narrow@1.yaml
index c218a71..e142951 100644
--- a/task-templates/workflow/sonnet-impl-narrow@1.yaml
+++ b/task-templates/workflow/sonnet-impl-narrow@1.yaml
@@ -16,6 +16,13 @@ nodes:
   - id: agent
     kind: agent
     template: code-sonnet-tdd-repo
+    runtime_env:
+      # WF-COMP-15: stage agents share one per-item work branch so their work
+      # accumulates (test-write -> scaffold -> impl -> integrate -> merge all
+      # see the same tree). Without AGENT_REPO_URL the agent-repo layer never
+      # clones and the agent's output evaporates (E2E 2026-07-04).
+      AGENT_REPO_URL: "git@gitea.oreillyit.nz-ai-enablement:skynet/agent-runtimes-agents.git"
+      AGENT_BRANCH: "task/${item.uuid}"
     prompt: "Implement the failing test. Test file: ${artifacts.test_file}. Skeleton: ${artifacts.impl_skeleton}."
 escalation:
   scope_exceeded: replan-spec-opus
diff --git a/task-templates/workflow/sonnet-impl-ready@1.yaml b/task-templates/workflow/sonnet-impl-ready@1.yaml
index 986e904..49c6d84 100644
--- a/task-templates/workflow/sonnet-impl-ready@1.yaml
+++ b/task-templates/workflow/sonnet-impl-ready@1.yaml
@@ -16,4 +16,11 @@ nodes:
   - id: agent
     kind: agent
     template: code-sonnet-tdd-repo
+    runtime_env:
+      # WF-COMP-15: stage agents share one per-item work branch so their work
+      # accumulates (test-write -> scaffold -> impl -> integrate -> merge all
+      # see the same tree). Without AGENT_REPO_URL the agent-repo layer never
+      # clones and the agent's output evaporates (E2E 2026-07-04).
+      AGENT_REPO_URL: "git@gitea.oreillyit.nz-ai-enablement:skynet/agent-runtimes-agents.git"
+      AGENT_BRANCH: "task/${item.uuid}"
     prompt: "Implement the task. ${metadata.automation.test_files}${metadata.automation.spec_ids}Task description: ${artifacts.item_title}. ${artifacts.item_body}"
diff --git a/task-templates/workflow/test-write-minimax@2.yaml b/task-templates/workflow/test-write-minimax@2.yaml
index 62a5110..8f0f223 100644
--- a/task-templates/workflow/test-write-minimax@2.yaml
+++ b/task-templates/workflow/test-write-minimax@2.yaml
@@ -15,4 +15,11 @@ scope_budget:
 nodes:
   - id: agent
     kind: agent
-    template: minimax-test-writer
\ No newline at end of file
+    template: minimax-test-writer
+    runtime_env:
+      # WF-COMP-15: stage agents share one per-item work branch so their work
+      # accumulates (test-write -> scaffold -> impl -> integrate -> merge all
+      # see the same tree). Without AGENT_REPO_URL the agent-repo layer never
+      # clones and the agent's output evaporates (E2E 2026-07-04).
+      AGENT_REPO_URL: "git@gitea.oreillyit.nz-ai-enablement:skynet/agent-runtimes-agents.git"
+      AGENT_BRANCH: "task/${item.uuid}"
\ No newline at end of file
diff --git a/task-templates/workflow/test-write@1.yaml b/task-templates/workflow/test-write@1.yaml
index 283a73b..d5dd2ea 100644
--- a/task-templates/workflow/test-write@1.yaml
+++ b/task-templates/workflow/test-write@1.yaml
@@ -16,6 +16,13 @@ nodes:
   - id: agent
     kind: agent
     template: test-writing-repo
+    runtime_env:
+      # WF-COMP-15: stage agents share one per-item work branch so their work
+      # accumulates (test-write -> scaffold -> impl -> integrate -> merge all
+      # see the same tree). Without AGENT_REPO_URL the agent-repo layer never
+      # clones and the agent's output evaporates (E2E 2026-07-04).
+      AGENT_REPO_URL: "git@gitea.oreillyit.nz-ai-enablement:skynet/agent-runtimes-agents.git"
+      AGENT_BRANCH: "task/${item.uuid}"
     prompt: |
       You are writing pytest tests for the following task.