CloudSigma OpenClaw Token Cache Optimizer

CloudSigma TaaS token-cache optimizer / affinity provider hook for OpenClaw.

ClawHub package: @cloudsigma/openclaw-token-cache-optimizer. Runtime plugin ID remains openclaw-taas-affinity for compatibility with existing installs and telemetry labels.

This plugin is intentionally narrow after the Claude Code Direction-2 lane update. It does not lease requester bridges, poll for bridge work, invoke requester-local tools, rewrite OpenAI tool payloads, or run OpenClaw maintenance sidecars.

What it does

For requests routed through the cloudsigma or cloudsigma-staging provider IDs, the plugin:

• derives a stable affinity session ID with the form oc:<sha256-prefix>
• injects metadata.session_id when absent
• injects metadata.sticky_key when absent
• injects a sanitized metadata.requester_runtime envelope when absent
• injects transport header X-Session-Id
• injects correlation headers X-OpenClaw-Session-Id, X-OpenClaw-Turn-Id, X-OpenClaw-Attempt, and X-OpenClaw-Agent-Id (when available)
• injects metadata.openclaw_correlation for request/run tracing
• captures TaaS autorouter + request/trace response headers
• exposes the latest route capture via gateway method taas.autorouter.lastRoute

Install from ClawHub

openclaw plugins install clawhub:@cloudsigma/openclaw-token-cache-optimizer

Then restart/reload the OpenClaw gateway according to your deployment process and verify the plugin is loaded:

openclaw plugins info openclaw-taas-affinity
openclaw gateway call taas.autorouter.lastRoute --params '{"agentId":"main"}' --json

Startup compatibility

The manifest explicitly asks OpenClaw to import the plugin at gateway startup:

{
  "activation": {
    "onStartup": true,
    "onProviders": ["cloudsigma", "cloudsigma-staging"]
  }
}

This is required because gateway RPC handlers must be attached during gateway startup. Provider/lazy activation is not enough for taas.autorouter.lastRoute to be present in the live gateway dispatch table.

Request metadata

Example injected metadata:

{
  "metadata": {
    "session_id": "oc:0123456789abcdef",
    "sticky_key": "oc:0123456789abcdef",
    "requester_runtime": {
      "schema_version": "2026-06-04",
      "source": "openclaw-taas-affinity",
      "session_key": "oc:0123456789abcdef",
      "openclaw_session_id": "oc:0123456789abcdef",
      "requester_host_id": "host:1a2b3c4d5e6f7890",
      "repo_name": "example-repo",
      "git_branch_hint": "dev",
      "git_dirty_hint": false,
      "provider": "cloudsigma",
      "model_id": "cloudsigma/auto",
      "session_source_hint": "source:1a2b3c4d5e6f7890",
      "tool_execution": "direction_2_gateway",
      "metadata_classification": {
        "identifiers": "hashed",
        "repository": "name_branch_dirty_only",
        "local_paths": "omitted_by_default"
      },
      "redaction_policy": "no_secrets;no_raw_local_paths;no_env_values;no_git_remotes;no_status_or_diffs;no_extra_params"
    },
    "openclaw_correlation": {
      "schema_version": "2026-06-05",
      "source": "openclaw-taas-affinity",
      "plugin_version": "0.5.3",
      "session_id": "oc:0123456789abcdef",
      "sticky_key": "oc:0123456789abcdef",
      "session_source_hint": "source:1a2b3c4d5e6f7890",
      "agent_id": "new-agent-2",
      "provider": "cloudsigma",
      "model_id": "cloudsigma/auto"
    }
  }
}

All metadata fields are no-overwrite. If the caller already supplied metadata.session_id, metadata.sticky_key, or metadata.requester_runtime, the plugin leaves them intact.

The plugin does not include raw local paths (workspace_dir, agent_dir, repo_root_hint), environment variables, tokens, git remotes, full git status output, diffs, or arbitrary provider extraParams.

Direction-2 tool handling

Requester-side tool execution is handled outside this plugin by the Claude Code / TaaS / OpenClaw Direction-2 path.

The plugin intentionally leaves these payload structures untouched:

• OpenAI tools
• tool_choice
• assistant tool_calls
• role: "tool" continuation messages

It also does not inject:

• requester_runtime.available_bridges
• capture_mode: "bridge_capable"
• bridge operation names such as requester.tool.invoke, openclaw.tool.invoke, bridge.ping, or bridge.echo

Autorouter route capture

TaaS may return response headers such as:

• X-TaaS-Autorouted: true
• X-TaaS-Autorouter-Model
• X-TaaS-Autorouter-Mode
• X-TaaS-Autorouter-Algorithm-Source
• X-TaaS-Thinking-Applied
• X-TaaS-Routed-Context-Window

The plugin stores the latest bounded capture per affinity session and per derived OpenClaw agent ID.

Query latest route by agent:

openclaw gateway call taas.autorouter.lastRoute \
  --params '{"agentId":"new-agent-2"}' \
  --json

Query by explicit affinity session ID:

openclaw gateway call taas.autorouter.lastRoute \
  --params '{"sessionId":"oc:0123456789abcdef"}' \
  --json

Query by workspace path, deriving the same affinity session ID as the wrapper:

openclaw gateway call taas.autorouter.lastRoute \
  --params '{"workspaceDir":"/home/cloudsigma/.openclaw/workspace-new-agent-2"}' \
  --json

Install / update from checkout

cd /home/cloudsigma/openclaw-taas-affinity
npm ci
npm test
npm run build
rsync -a --delete \
  --exclude '.git' \
  --exclude 'node_modules' \
  --exclude 'package-lock.json' \
  ./ ~/.openclaw/extensions/openclaw-taas-affinity/
cd ~/.openclaw/extensions/openclaw-taas-affinity
npm ci --omit=dev --ignore-scripts

Then restart the managed gateway service during a controlled window:

systemctl --user restart openclaw-gateway.service

Verify:

openclaw gateway status
openclaw plugins info openclaw-taas-affinity
openclaw gateway call taas.autorouter.lastRoute --params '{"agentId":"new-agent-2"}' --json

Development

npm run typecheck
npm run smoke
npm run unit
npm test
npm run build

Current tests cover:

• manifest startup activation
• provider hook registration for cloudsigma and cloudsigma-staging
• metadata/header injection
• no-overwrite behavior
• absence of requester bridge descriptors
• OpenAI tool payload pass-through
• autorouter capture and lookup by workspace/session/agent

Environment variables

Requester bridge variables such as TAAS_REQUESTER_BRIDGE_PLUGIN_ENABLED, TAAS_REQUESTER_BRIDGE_LEASE_URL, and TAAS_REQUESTER_BRIDGE_POLL_INTERVAL_MS are obsolete and ignored by this plugin version.