> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sequency.sh/llms.txt
> Use this file to discover all available pages before exploring further.

# Validate Proposal



## OpenAPI

````yaml /api/openapi.json post /api/graph/v1/chart-sessions/{session_id}/proposals:validate
openapi: 3.1.0
info:
  title: Sequency Graph API
  description: >

    # Sequency Graph-Native Trading API


    Graph-native API for trading intelligence, built on FalkorDB.


    ## Features


    - **Screener**: Filter stocks using graph-native queries with relationship
    expansion

    - **Stock Detail**: Complete stock context with all relationships

    - **Confluence Scoring**: Setup quality assessment with weighted components

    - **Strategy Matching**: Find matching options strategies via graph
    traversal

    - **Market Context**: Current market-wide context for trading decisions


    ## Data Sources


    All data is sourced from the FalkorDB knowledge graph, populated by:

    - Pattern detector (Go) - Technical indicators, patterns

    - Graph sync service - Levels, volume profiles, news, day classification
  version: 1.0.0
servers: []
security: []
paths:
  /api/graph/v1/chart-sessions/{session_id}/proposals:validate:
    post:
      tags:
        - Chart Sessions
      summary: Validate Proposal
      operationId: validateProposal
      parameters:
        - name: session_id
          in: path
          required: true
          schema:
            type: string
            title: Session Id
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ChartProposal'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    ChartProposal:
      properties:
        id:
          anyOf:
            - $ref: '#/components/schemas/NonEmptyString'
            - type: 'null'
        schema_version:
          $ref: '#/components/schemas/SchemaVersion'
        session_id:
          $ref: '#/components/schemas/NonEmptyString'
        base_revision:
          $ref: '#/components/schemas/Revision'
        idempotency_key:
          $ref: '#/components/schemas/NonEmptyString'
        operations:
          items:
            $ref: '#/components/schemas/ProposalOperation'
          type: array
          minItems: 1
          title: Operations
        rationale:
          $ref: '#/components/schemas/NonEmptyString'
        evidence:
          items:
            $ref: '#/components/schemas/app__generated__chart_contracts__EvidenceRef'
          type: array
          title: Evidence
        decision_binding:
          anyOf:
            - $ref: '#/components/schemas/DecisionProposalBinding'
            - type: 'null'
        expires_at:
          anyOf:
            - $ref: '#/components/schemas/Timestamp'
            - type: 'null'
        provenance:
          $ref: '#/components/schemas/Provenance'
      additionalProperties: true
      type: object
      required:
        - schema_version
        - session_id
        - base_revision
        - idempotency_key
        - operations
        - rationale
        - evidence
        - provenance
      title: ChartProposal
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    NonEmptyString:
      type: string
      minLength: 1
      title: NonEmptyString
    SchemaVersion:
      type: string
      const: '1.0'
      title: SchemaVersion
      description: Sequency Charts semantic contract major/minor version.
    Revision:
      type: integer
      minimum: 1
      title: Revision
      description: A positive monotonic revision.
    ProposalOperation:
      properties:
        type:
          $ref: '#/components/schemas/Type2'
        object_id:
          anyOf:
            - $ref: '#/components/schemas/NonEmptyString'
            - type: 'null'
        object_revision:
          anyOf:
            - $ref: '#/components/schemas/Revision'
            - type: 'null'
        object:
          anyOf:
            - additionalProperties: true
              type: object
            - type: 'null'
          title: Object
      additionalProperties: true
      type: object
      required:
        - type
      title: ProposalOperation
    app__generated__chart_contracts__EvidenceRef:
      properties:
        id:
          $ref: '#/components/schemas/NonEmptyString'
        kind:
          $ref: '#/components/schemas/Kind1'
        object_id:
          $ref: '#/components/schemas/NonEmptyString'
        object_revision:
          $ref: '#/components/schemas/Revision'
        source_time:
          anyOf:
            - $ref: '#/components/schemas/Timestamp'
            - type: 'null'
        field:
          anyOf:
            - $ref: '#/components/schemas/NonEmptyString'
            - type: 'null'
      additionalProperties: true
      type: object
      required:
        - id
        - kind
        - object_id
        - object_revision
      title: EvidenceRef
    DecisionProposalBinding:
      properties:
        decision_snapshot_ref:
          $ref: '#/components/schemas/DecisionArtifactRef'
        decision_snapshot_content_hash:
          type: string
          pattern: ^sha256:.+
          title: Decision Snapshot Content Hash
        disposition_ref:
          $ref: '#/components/schemas/DecisionArtifactRef'
        context_snapshot_ref:
          $ref: '#/components/schemas/DecisionArtifactRef'
        policy_version:
          $ref: '#/components/schemas/NonEmptyString'
        trading_mode:
          $ref: '#/components/schemas/TradingMode'
        horizon:
          $ref: '#/components/schemas/Horizon-Output'
        window:
          type: integer
          maximum: 120
          minimum: 5
          title: Window
      additionalProperties: true
      type: object
      required:
        - decision_snapshot_ref
        - decision_snapshot_content_hash
        - disposition_ref
        - context_snapshot_ref
        - policy_version
        - trading_mode
        - horizon
        - window
      title: DecisionProposalBinding
    Timestamp:
      type: string
      format: date-time
      title: Timestamp
    Provenance:
      properties:
        owner:
          $ref: '#/components/schemas/Owner'
        producer:
          $ref: '#/components/schemas/Producer'
        version:
          $ref: '#/components/schemas/NonEmptyString'
        created_at:
          $ref: '#/components/schemas/Timestamp'
        derivation:
          items:
            $ref: '#/components/schemas/NonEmptyString'
          type: array
          title: Derivation
      additionalProperties: true
      type: object
      required:
        - owner
        - producer
        - version
        - created_at
        - derivation
      title: Provenance
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
    Type2:
      type: string
      enum:
        - object.propose
        - object.update
        - object.delete
        - insight.propose
        - focus.request
        - order_intent.propose
      title: Type2
    Kind1:
      type: string
      enum:
        - observed
        - inferred
        - generated
        - reproducible
      title: Kind1
    DecisionArtifactRef:
      properties:
        id:
          $ref: '#/components/schemas/NonEmptyString'
        revision:
          $ref: '#/components/schemas/Revision'
      additionalProperties: true
      type: object
      required:
        - id
        - revision
      title: DecisionArtifactRef
    TradingMode:
      type: string
      enum:
        - paper
        - supervised
        - live
        - autonomous
        - disabled
        - unknown
      title: TradingMode
    Horizon-Output:
      type: string
      enum:
        - intraday
      title: Horizon
    Owner:
      properties:
        type:
          $ref: '#/components/schemas/Type'
        id:
          $ref: '#/components/schemas/NonEmptyString'
      additionalProperties: true
      type: object
      required:
        - type
        - id
      title: Owner
    Producer:
      properties:
        id:
          $ref: '#/components/schemas/NonEmptyString'
        kind:
          $ref: '#/components/schemas/Kind'
      additionalProperties: true
      type: object
      required:
        - id
        - kind
      title: Producer
    Type:
      type: string
      enum:
        - user
        - agent
        - system
      title: Type
    Kind:
      type: string
      enum:
        - human
        - agent
        - deterministic
        - model
        - system
      title: Kind

````