fix(OMN-15960): delete duplicate node_claude_code_session_effect

pyproject.toml

@@ -131,7 +131,6 @@ node_channel_reply_dispatcher = "omniclaude.nodes.node_channel_reply_dispatcher"
 node_channel_slack_adapter = "omniclaude.nodes.node_channel_slack_adapter"
 node_channel_sms_adapter = "omniclaude.nodes.node_channel_sms_adapter"
 node_channel_telegram_adapter = "omniclaude.nodes.node_channel_telegram_adapter"
-node_claude_code_session_effect = "omniclaude.nodes.node_claude_code_session_effect"
 node_friction_observer_compute = "omniclaude.nodes.node_friction_observer_compute"
 node_git_effect = "omniclaude.nodes.node_git_effect"
 node_github_pr_watcher_effect = "omniclaude.nodes.node_github_pr_watcher_effect"

scripts/ci/canonical_handler_shape_baseline.py

@@ -25,7 +25,6 @@
     "omniclaude.nodes.node_channel_slack_adapter",
     "omniclaude.nodes.node_channel_sms_adapter",
     "omniclaude.nodes.node_channel_telegram_adapter",
-    "omniclaude.nodes.node_claude_code_session_effect",
     "omniclaude.nodes.node_friction_observer_compute",
     "omniclaude.nodes.node_git_effect",
     "omniclaude.nodes.node_github_pr_watcher_effect",

src/omniclaude/lib/consumer_group_guard.py

@@ -41,10 +41,12 @@
 # Example: omniclaude-git-effect.v1
 _VERSION_SUFFIX_PATTERN = re.compile(r"\.v\d+$")
 
-# F5.4 — Consumer group IDs for the 6 skill node consumers from OMN-2593
+# F5.4 — Consumer group IDs for the skill node consumers from OMN-2593.
+# NodeClaudeCodeSessionEffect removed under OMN-15960 (duplicate,
+# never-deployed surface of the canonical omnibase_infra coding-agent
+# quartet) — no tombstone entry per feedback_noncanonical_nodes_get_deleted.
 SKILL_NODE_CONSUMER_GROUPS: dict[str, str] = {
     "NodeGitEffect": "omniclaude-git-effect.v1",
-    "NodeClaudeCodeSessionEffect": "omniclaude-claude-code-session-effect.v1",
     "NodeLocalLlmInferenceEffect": "omniclaude-local-llm-inference-effect.v1",
     "NodeLinearEffect": "omniclaude-linear-effect.v1",
     "NodeTicketingEffect": "omniclaude-ticketing-effect.v1",