feat: Implement console session management with tenant and profile handling
- Add ConsoleSessionStore for managing console session state including tenants, profile, and token information. - Create OperatorContextService to manage operator context for orchestrator actions. - Implement OperatorMetadataInterceptor to enrich HTTP requests with operator context metadata. - Develop ConsoleProfileComponent to display user profile and session details, including tenant information and access tokens. - Add corresponding HTML and SCSS for ConsoleProfileComponent to enhance UI presentation. - Write unit tests for ConsoleProfileComponent to ensure correct rendering and functionality.
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docs/policy/gateway.md
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docs/policy/gateway.md
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# Policy Gateway
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> **Delivery scope:** `StellaOps.Policy.Gateway` minimal API service fronting Policy Engine pack CRUD + activation endpoints for UI/CLI clients. Sender-constrained with DPoP and tenant headers, suitable for online and Offline Kit deployments.
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## 1 · Responsibilities
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- Proxy policy pack CRUD and activation requests to Policy Engine while enforcing scope policies (`policy:read`, `policy:author`, `policy:review`, `policy:operate`, `policy:activate`).
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- Normalise responses (DTO + `ProblemDetails`) so Console, CLI, and automation receive consistent payloads.
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- Guard activation actions with structured logging and metrics so approvals are auditable.
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- Support dual auth modes:
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- Forwarded caller tokens (Console/CLI) with DPoP proofs + `X-Stella-Tenant` header.
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- Gateway client credentials (DPoP) for service automation or Offline Kit flows when no caller token is present.
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## 2 · Endpoints
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| Route | Method | Description | Required scope(s) |
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|-------|--------|-------------|-------------------|
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| `/api/policy/packs` | `GET` | List policy packs and revisions for the active tenant. | `policy:read` |
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| `/api/policy/packs` | `POST` | Create a policy pack shell or upsert display metadata. | `policy:author` |
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| `/api/policy/packs/{packId}/revisions` | `POST` | Create or update a policy revision (draft/approved). | `policy:author` |
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| `/api/policy/packs/{packId}/revisions/{version}:activate` | `POST` | Activate a revision, enforcing single/two-person approvals. | `policy:operate`, `policy:activate` |
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### Response shapes
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- Successful responses return camel-case DTOs matching `PolicyPackDto`, `PolicyRevisionDto`, or `PolicyRevisionActivationDto` as described in the Policy Engine API doc (`/docs/api/policy.md`).
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- Errors always return RFC 7807 `ProblemDetails` with deterministic fields (`title`, `detail`, `status`). Missing caller credentials now surface `401` with `"Upstream authorization missing"` detail.
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## 3 · Authentication & headers
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| Header | Source | Notes |
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|--------|--------|-------|
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| `Authorization` | Forwarded caller token *or* gateway client credentials. | Caller tokens must include tenant scope; gateway tokens default to `DPoP` scheme. |
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| `DPoP` | Caller or gateway. | Required when Authority mandates proof-of-possession (default). Generated per request; gateway keeps ES256/ES384 key material under `etc/policy-gateway-dpop.pem`. |
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| `X-Stella-Tenant` | Caller | Tenant isolation header. Forwarded unchanged; gateway automation omits it. |
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Gateway client credentials are configured in `policy-gateway.yaml`:
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```yaml
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policyEngine:
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baseAddress: "https://policy-engine.internal"
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audience: "api://policy-engine"
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clientCredentials:
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enabled: true
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clientId: "policy-gateway"
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clientSecret: "<secret>"
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scopes:
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- policy:read
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- policy:author
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- policy:review
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- policy:operate
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- policy:activate
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dpop:
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enabled: true
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keyPath: "../etc/policy-gateway-dpop.pem"
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algorithm: "ES256"
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```
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> 🔐 **DPoP key** – store the private key alongside Offline Kit secrets; rotate it whenever the gateway identity or Authority configuration changes.
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## 4 · Metrics & logging
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All activation calls emit:
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- `policy_gateway_activation_requests_total{outcome,source}` – counter labelled with `outcome` (`activated`, `pending_second_approval`, `already_active`, `bad_request`, `not_found`, `unauthorized`, `forbidden`, `error`) and `source` (`caller`, `service`).
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- `policy_gateway_activation_latency_ms{outcome,source}` – histogram measuring proxy latency.
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Structured logs (category `StellaOps.Policy.Gateway.Activation`) include `PackId`, `Version`, `Outcome`, `Source`, and upstream status code for audit trails.
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## 5 · Sample `curl` workflows
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Assuming you already obtained a DPoP-bound access token (`$TOKEN`) for tenant `acme`:
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```bash
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# Generate a DPoP proof for GET via the CLI helper
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DPoP_PROOF=$(stella auth dpop proof \
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--htu https://gateway.example.com/api/policy/packs \
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--htm GET \
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--token "$TOKEN")
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curl -sS https://gateway.example.com/api/policy/packs \
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-H "Authorization: DPoP $TOKEN" \
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-H "DPoP: $DPoP_PROOF" \
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-H "X-Stella-Tenant: acme"
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# Draft a new revision
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DPoP_PROOF=$(stella auth dpop proof \
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--htu https://gateway.example.com/api/policy/packs/policy.core/revisions \
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--htm POST \
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--token "$TOKEN")
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curl -sS https://gateway.example.com/api/policy/packs/policy.core/revisions \
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-H "Authorization: DPoP $TOKEN" \
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-H "DPoP: $DPoP_PROOF" \
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-H "X-Stella-Tenant: acme" \
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-H "Content-Type: application/json" \
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-d '{"version":5,"requiresTwoPersonApproval":true,"initialStatus":"Draft"}'
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# Activate revision 5 (returns 202 when awaiting the second approver)
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DPoP_PROOF=$(stella auth dpop proof \
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--htu https://gateway.example.com/api/policy/packs/policy.core/revisions/5:activate \
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--htm POST \
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--token "$TOKEN")
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curl -sS https://gateway.example.com/api/policy/packs/policy.core/revisions/5:activate \
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-H "Authorization: DPoP $TOKEN" \
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-H "DPoP: $DPoP_PROOF" \
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-H "X-Stella-Tenant: acme" \
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-H "Content-Type: application/json" \
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-d '{"comment":"Rollout baseline"}'
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```
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For air-gapped environments, bundle `policy-gateway.yaml` and the DPoP key in the Offline Kit (see `/docs/24_OFFLINE_KIT.md` §5.7).
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> **DPoP proof helper:** Use `stella auth dpop proof` to mint sender-constrained proofs locally. The command accepts `--htu`, `--htm`, and `--token` arguments and emits a ready-to-use header value. Teams maintaining alternate tooling (for example, `scripts/make-dpop.sh`) can substitute it as long as the inputs and output match the CLI behaviour.
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## 6 · Offline Kit guidance
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- Include `policy-gateway.yaml.sample` and the resolved runtime config in the Offline Kit’s `config/` tree.
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- Place the DPoP private key under `secrets/policy-gateway-dpop.pem` with restricted permissions; document rotation steps in the manifest.
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- When building verification scripts, use the gateway endpoints above instead of hitting Policy Engine directly. The Offline Kit validator now expects `policy_gateway_activation_requests_total` metrics in the Prometheus snapshot.
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## 7 · Change log
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- **2025-10-27 – Sprint 18.5**: Initial gateway bootstrap + activation metrics + DPoP client credentials.
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