feat: add CHAINLOOP_AI_CODING_SESSION material type

app/cli/documentation/cli-reference.mdx

@@ -246,7 +246,7 @@ Options
 --annotation strings         additional annotation in the format of key=value
 --attestation-id string      Unique identifier of the in-progress attestation
 -h, --help                       help for add
---kind string                kind of the material to be recorded: ["ARTIFACT" "ATTESTATION" "BLACKDUCK_SCA_JSON" "CHAINLOOP_AI_AGENT_CONFIG" "CHAINLOOP_PR_INFO" "CHAINLOOP_RUNNER_CONTEXT" "CONTAINER_IMAGE" "CSAF_INFORMATIONAL_ADVISORY" "CSAF_SECURITY_ADVISORY" "CSAF_SECURITY_INCIDENT_RESPONSE" "CSAF_VEX" "EVIDENCE" "GHAS_CODE_SCAN" "GHAS_DEPENDENCY_SCAN" "GHAS_SECRET_SCAN" "GITLAB_SECURITY_REPORT" "GITLEAKS_JSON" "HELM_CHART" "JACOCO_XML" "JUNIT_XML" "OPENVEX" "SARIF" "SBOM_CYCLONEDX_JSON" "SBOM_SPDX_JSON" "SLSA_PROVENANCE" "STRING" "TWISTCLI_SCAN_JSON" "ZAP_DAST_ZIP"]
+--kind string                kind of the material to be recorded: ["ARTIFACT" "ATTESTATION" "BLACKDUCK_SCA_JSON" "CHAINLOOP_AI_AGENT_CONFIG" "CHAINLOOP_AI_CODING_SESSION" "CHAINLOOP_PR_INFO" "CHAINLOOP_RUNNER_CONTEXT" "CONTAINER_IMAGE" "CSAF_INFORMATIONAL_ADVISORY" "CSAF_SECURITY_ADVISORY" "CSAF_SECURITY_INCIDENT_RESPONSE" "CSAF_VEX" "EVIDENCE" "GHAS_CODE_SCAN" "GHAS_DEPENDENCY_SCAN" "GHAS_SECRET_SCAN" "GITLAB_SECURITY_REPORT" "GITLEAKS_JSON" "HELM_CHART" "JACOCO_XML" "JUNIT_XML" "OPENVEX" "SARIF" "SBOM_CYCLONEDX_JSON" "SBOM_SPDX_JSON" "SLSA_PROVENANCE" "STRING" "TWISTCLI_SCAN_JSON" "ZAP_DAST_ZIP"]
 --name string                name of the material as shown in the contract
 --no-strict-validation       skip strict schema validation for SBOM_CYCLONEDX_JSON materials
 --registry-password string   registry password, ($CHAINLOOP_REGISTRY_PASSWORD)
@@ -2934,7 +2934,7 @@ Options
 --annotation strings          Key-value pairs of material annotations (key=value)
 -h, --help                        help for eval
 --input stringArray           Key-value pairs of policy inputs (key=value)
---kind string                 Kind of the material: ["ARTIFACT" "ATTESTATION" "BLACKDUCK_SCA_JSON" "CHAINLOOP_AI_AGENT_CONFIG" "CHAINLOOP_PR_INFO" "CHAINLOOP_RUNNER_CONTEXT" "CONTAINER_IMAGE" "CSAF_INFORMATIONAL_ADVISORY" "CSAF_SECURITY_ADVISORY" "CSAF_SECURITY_INCIDENT_RESPONSE" "CSAF_VEX" "EVIDENCE" "GHAS_CODE_SCAN" "GHAS_DEPENDENCY_SCAN" "GHAS_SECRET_SCAN" "GITLAB_SECURITY_REPORT" "GITLEAKS_JSON" "HELM_CHART" "JACOCO_XML" "JUNIT_XML" "OPENVEX" "SARIF" "SBOM_CYCLONEDX_JSON" "SBOM_SPDX_JSON" "SLSA_PROVENANCE" "STRING" "TWISTCLI_SCAN_JSON" "ZAP_DAST_ZIP"]
+--kind string                 Kind of the material: ["ARTIFACT" "ATTESTATION" "BLACKDUCK_SCA_JSON" "CHAINLOOP_AI_AGENT_CONFIG" "CHAINLOOP_AI_CODING_SESSION" "CHAINLOOP_PR_INFO" "CHAINLOOP_RUNNER_CONTEXT" "CONTAINER_IMAGE" "CSAF_INFORMATIONAL_ADVISORY" "CSAF_SECURITY_ADVISORY" "CSAF_SECURITY_INCIDENT_RESPONSE" "CSAF_VEX" "EVIDENCE" "GHAS_CODE_SCAN" "GHAS_DEPENDENCY_SCAN" "GHAS_SECRET_SCAN" "GITLAB_SECURITY_REPORT" "GITLEAKS_JSON" "HELM_CHART" "JACOCO_XML" "JUNIT_XML" "OPENVEX" "SARIF" "SBOM_CYCLONEDX_JSON" "SBOM_SPDX_JSON" "SLSA_PROVENANCE" "STRING" "TWISTCLI_SCAN_JSON" "ZAP_DAST_ZIP"]
 --material string             Path to material or attestation file
 -p, --policy string               Policy reference (./my-policy.yaml, https://my-domain.com/my-policy.yaml, chainloop://my-stored-policy) (default "policy.yaml")
 ```

app/controlplane/api/workflowcontract/v1/crafting_schema.proto

@@ -151,6 +151,8 @@ message CraftingSchema {
       GITLEAKS_JSON = 27;
       // AI agent configuration collected automatically during attestation
       CHAINLOOP_AI_AGENT_CONFIG = 28;
+      // AI coding session telemetry collected during attestation
+      CHAINLOOP_AI_CODING_SESSION = 29;
     }
   }
 }

app/controlplane/api/workflowcontract/v1/crafting_schema_validations.go

@@ -50,6 +50,7 @@ var CraftingMaterialInValidationOrder = []CraftingSchema_Material_MaterialType{
 	CraftingSchema_Material_SLSA_PROVENANCE,
 	CraftingSchema_Material_CHAINLOOP_RUNNER_CONTEXT,
 	CraftingSchema_Material_CHAINLOOP_AI_AGENT_CONFIG,
+	CraftingSchema_Material_CHAINLOOP_AI_CODING_SESSION,
 	CraftingSchema_Material_ATTESTATION,
 	CraftingSchema_Material_CONTAINER_IMAGE,
 	CraftingSchema_Material_ARTIFACT,

internal/schemavalidators/internal_schemas/aicodingsession/ai-coding-session-0.1.schema.json

@@ -0,0 +1,113 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "https://schemas.chainloop.dev/aicodingsession/0.1/ai-coding-session.schema.json",
+  "type": "object",
+  "title": "AI Coding Session",
+  "description": "Schema for AI coding session telemetry data collected during attestation",
+  "required": [
+    "schema_version",
+    "agent",
+    "session"
+  ],
+  "properties": {
+    "schema_version": {
+      "type": "string",
+      "minLength": 1,
+      "description": "Schema version identifier"
+    },
+    "agent": {
+      "type": "object",
+      "description": "AI agent provider information",
+      "required": ["name"],
+      "properties": {
+        "name": {
+          "type": "string",
+          "minLength": 1,
+          "description": "Agent provider name"
+        },
+        "version": {
+          "type": "string",
+          "description": "Agent version"
+        }
+      },
+      "additionalProperties": false
+    },
+    "session": {
+      "type": "object",
+      "description": "Session timing and identity",
+      "required": ["id", "started_at", "duration_seconds"],
+      "properties": {
+        "id": {
+          "type": "string",
+          "minLength": 1,
+          "description": "Unique session identifier"
+        },
+        "slug": {
+          "type": "string",
+          "description": "Human-readable session slug"
+        },
+        "started_at": {
+          "type": "string",
+          "minLength": 1,
+          "description": "ISO 8601 timestamp when the session started"
+        },
+        "ended_at": {
+          "type": "string",
+          "description": "ISO 8601 timestamp when the session ended"
+        },
+        "duration_seconds": {
+          "type": "integer",
+          "minimum": 0,
+          "description": "Total session duration in seconds"
+        }
+      },
+      "additionalProperties": false
+    },
+    "git_context": {
+      "type": "object",
+      "description": "Repository and commit information"
+    },
+    "code_changes": {
+      "type": "object",
+      "description": "Summary of code modifications"
+    },
+    "model": {
+      "type": "object",
+      "description": "AI model information"
+    },
+    "usage": {
+      "type": "object",
+      "description": "Token usage and cost information"
+    },
+    "tools_used": {
+      "type": "object",
+      "description": "Tool usage statistics"
+    },
+    "conversation": {
+      "type": "object",
+      "description": "Message count statistics"
+    },
+    "subagents": {
+      "type": "array",
+      "description": "Subagent information (open schema)",
+      "items": {
+        "type": "object"
+      }
+    },
+    "raw_session": {
+      "type": "object",
+      "description": "Raw session conversation data keyed by thread name",
+      "additionalProperties": {
+        "type": "array"
+      }
+    },
+    "warnings": {
+      "type": "array",
+      "description": "Warnings generated during session processing",
+      "items": {
+        "type": "string"
+      }
+    }
+  },
+  "additionalProperties": false
+}