docs/openapi-tess.yaml

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+openapi: 3.1.0
+info: { title: Mosaic Tess Gateway, version: 1.0.0 }
+paths:
+  /api/interaction/{agentName}/sessions:
+    {
+      get:
+        {
+          summary: List authorized runtime sessions,
+          parameters:
+            [
+              { $ref: '#/components/parameters/agentName' },
+              { $ref: '#/components/parameters/provider' },
+              { $ref: '#/components/parameters/correlation' },
+            ],
+          responses:
+            {
+              '200': { description: Sessions },
+              '401': { description: Auth required },
+              '403': { description: Scope denied },
+            },
+        },
+    }
+  /api/interaction/{agentName}/transitional-capabilities:
+    {
+      get:
+        {
+          summary: Transitional capability matrix,
+          parameters:
+            [
+              { $ref: '#/components/parameters/agentName' },
+              { $ref: '#/components/parameters/provider' },
+              { $ref: '#/components/parameters/correlation' },
+            ],
+          responses: { '200': { description: Matrix } },
+        },
+    }
+  /api/interaction/{agentName}/tree:
+    {
+      get:
+        {
+          summary: Authorized session tree,
+          parameters:
+            [
+              { $ref: '#/components/parameters/agentName' },
+              { $ref: '#/components/parameters/provider' },
+              { $ref: '#/components/parameters/correlation' },
+            ],
+          responses: { '200': { description: Tree } },
+        },
+    }
+  /api/interaction/{agentName}/sessions/{sessionId}/{operation}:
+    {
+      post:
+        {
+          summary: Enroll,
+          attach,
+          send,
+          stop,
+          or recover a durable session,
+          parameters:
+            [
+              { $ref: '#/components/parameters/agentName' },
+              { $ref: '#/components/parameters/sessionId' },
+              {
+                name: operation,
+                in: path,
+                required: true,
+                schema: { enum: [enroll, attach, send, stop, recover] },
+              },
+              { $ref: '#/components/parameters/correlation' },
+            ],
+          requestBody:
+            { required: false, content: { application/json: { schema: { type: object } } } },
+          responses:
+            {
+              '200': { description: Operation result },
+              '403': { description: Scope or approval denied },
+            },
+        },
+    }
+  /api/coord/mos/handoff:
+    {
+      post:
+        {
+          summary: Submit a Mos handoff,
+          parameters: [{ $ref: '#/components/parameters/correlation' }],
+          responses: { '200': { description: Receipt } },
+        },
+    }
+  /api/coord/mos/{handoffId}/observe:
+    {
+      get:
+        {
+          summary: Observe a handoff,
+          parameters:
+            [
+              { $ref: '#/components/parameters/handoffId' },
+              { $ref: '#/components/parameters/correlation' },
+            ],
+          responses: { '200': { description: Observation } },
+        },
+    }
+  /api/coord/mos/{handoffId}/result:
+    {
+      get:
+        {
+          summary: Get a handoff result,
+          parameters:
+            [
+              { $ref: '#/components/parameters/handoffId' },
+              { $ref: '#/components/parameters/correlation' },
+            ],
+          responses: { '200': { description: Result } },
+        },
+    }
+  /api/memory/search:
+    { post: { summary: Search scoped memory, responses: { '200': { description: Results } } } }
+components:
+  securitySchemes: { sessionAuth: { type: http, scheme: bearer } }
+  parameters:
+    agentName: { name: agentName, in: path, required: true, schema: { type: string } }
+    sessionId: { name: sessionId, in: path, required: true, schema: { type: string } }
+    handoffId: { name: handoffId, in: path, required: true, schema: { type: string } }
+    provider: { name: provider, in: query, required: true, schema: { type: string } }
+    correlation: { name: X-Correlation-Id, in: header, required: true, schema: { type: string } }
+security: [{ sessionAuth: [] }]

docs/tess/ADMIN-GUIDE.md

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+# Tess Administration
+
+Provision authenticated users, configured agent identities, providers, and approved channel bindings. Never expose service credentials in status or logs. Use health/readiness and provider status endpoints for recovery diagnostics; privileged termination remains approval-bound and auditable.

docs/tess/DEVELOPER-GUIDE.md

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+# Tess Developer Guide
+
+Interaction adapters pass only server-derived actor/tenant scope, channel, and correlation to runtime providers. Durable session state owns inbox/outbox/checkpoint recovery. Use the OpenAPI contract rather than inventing routes; unsupported provider capabilities fail closed.

docs/tess/M5-003-DOCUMENTATION-CHECKLIST.md

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+# TESS-M5-003 Documentation Checklist
+
+- [x] `openapi-tess.yaml`: authenticated interaction endpoints, Mos handoff/observe/result, memory search.
+- [x] User guide: authorized session and handoff workflows.
+- [x] Admin guide: provisioning, policy, health, and approval boundary.
+- [x] Developer guide: scope, durable state, and provider adapter contract.
+- [x] Plugin guide: replaceable-adapter, redaction, and identity-as-data rules.
+- [x] Operations guide: readiness, recovery, ambiguous-effect safety, and tracing.

docs/tess/OPERATIONS-GUIDE.md

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+# Tess Operations and Recovery
+
+Check `/health/ready`, provider health, and effective policy before recovery. Recover durable sessions through the interaction recovery operation; it requeues only interrupted work and does not replay ambiguous external effects. Preserve correlation IDs for incident tracing and use Mos handoff observation/result endpoints for orchestration visibility.

docs/tess/PLUGIN-GUIDE.md

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+# Tess Plugin Authoring
+
+Plugins are replaceable adapters. Declare capabilities, derive scope from trusted context, preserve correlation IDs, redact before persistence/egress, and return unsupported operations as fail-closed results. Names and identities are configuration data, not literals in keys or defaults.

docs/tess/USER-GUIDE.md

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+# Tess User Guide
+
+Use authenticated interaction endpoints with an `X-Correlation-Id`. List sessions, attach, send, and recover only sessions visible to your server-derived tenant scope. Stop requires a durable exact-action approval. Mos handoffs are submitted through `/api/coord/mos/handoff` and can be observed or read by receipt ID.