[
  {
    "id": "F001",
    "description": "Define canonical ticket comment authorship model supporting user-linked and contact-only authors",
    "implemented": true,
    "prdRefs": [
      "Goals",
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F002",
    "description": "Add migration to create nullable comments.contact_id for contact-authored comments",
    "implemented": true,
    "prdRefs": [
      "Data / API / Integrations",
      "Rollout / Migration"
    ]
  },
  {
    "id": "F003",
    "description": "Add tenant-scoped foreign key and index for comments.contact_id -> contacts.contact_name_id",
    "implemented": true,
    "prdRefs": [
      "Requirements > Functional Requirements",
      "Security / Permissions"
    ]
  },
  {
    "id": "F004",
    "description": "Extend shared comment typings to include contact authorship fields",
    "implemented": true,
    "prdRefs": [
      "Data / API / Integrations"
    ]
  },
  {
    "id": "F005",
    "description": "Extend TicketModel create-comment validation/input to accept contact_id",
    "implemented": true,
    "prdRefs": [
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F006",
    "description": "Validate contact_id tenant alignment during comment creation",
    "implemented": true,
    "prdRefs": [
      "Security / Permissions",
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F007",
    "description": "Persist contact_id on comments created through shared TicketModel.createComment",
    "implemented": true,
    "prdRefs": [
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F008",
    "description": "Preserve response-state behavior so contact-authored public comments set awaiting_internal",
    "implemented": true,
    "prdRefs": [
      "Goals",
      "Acceptance Criteria (Definition of Done)"
    ]
  },
  {
    "id": "F009",
    "description": "Extend createCommentFromEmail input contract to accept contact_id",
    "implemented": true,
    "prdRefs": [
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F010",
    "description": "Forward contact_id from createCommentFromEmail to shared comment creation path",
    "implemented": true,
    "prdRefs": [
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F011",
    "description": "Update inbound new-ticket path to pass matched contact_id even when no author user exists",
    "implemented": true,
    "prdRefs": [
      "Users and Primary Flows",
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F012",
    "description": "Update inbound reply-token path to resolve sender contact and pass contact_id",
    "implemented": true,
    "prdRefs": [
      "Users and Primary Flows",
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F013",
    "description": "Update inbound thread-header path to resolve sender contact and pass contact_id",
    "implemented": true,
    "prdRefs": [
      "Users and Primary Flows",
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F014",
    "description": "Preserve matched client-user association by continuing to pass author_id and supporting both ids when present",
    "implemented": true,
    "prdRefs": [
      "Goals",
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F015",
    "description": "Extend workflow runtime email action schemas to include contact_id fields",
    "implemented": true,
    "prdRefs": [
      "Requirements > Functional Requirements",
      "Data / API / Integrations"
    ]
  },
  {
    "id": "F016",
    "description": "Update workflow runtime email action implementations to pass contact_id through to comment creation",
    "implemented": true,
    "prdRefs": [
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F017",
    "description": "Update MSP ticket details data assembly to load contact author data for conversation comments",
    "implemented": true,
    "prdRefs": [
      "UX / UI Notes",
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F018",
    "description": "Update client-portal ticket details data assembly to load contact author data for conversation comments",
    "implemented": true,
    "prdRefs": [
      "UX / UI Notes",
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F019",
    "description": "Add shared author-resolution helper for user/contact/unknown author display",
    "implemented": true,
    "prdRefs": [
      "UX / UI Notes",
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F020",
    "description": "Update CommentItem rendering to show contact name/email/avatar when comment is contact-authored without user_id",
    "implemented": true,
    "prdRefs": [
      "UX / UI Notes",
      "Acceptance Criteria (Definition of Done)"
    ]
  },
  {
    "id": "F021",
    "description": "Limit Unknown User fallback to comments that have neither resolvable user nor contact author",
    "implemented": true,
    "prdRefs": [
      "UX / UI Notes",
      "Acceptance Criteria (Definition of Done)"
    ]
  },
  {
    "id": "F022",
    "description": "Update ticket comment API/service response contracts to represent contact-authored comments safely with nullable user id",
    "implemented": true,
    "prdRefs": [
      "Data / API / Integrations",
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F023",
    "description": "Ensure ticket email/notification subscriber author exclusion logic handles contact-authored comments",
    "implemented": true,
    "prdRefs": [
      "Requirements > Functional Requirements",
      "Security / Permissions"
    ]
  },
  {
    "id": "F024",
    "description": "Add unit tests covering inbound email contact-only authorship in new-ticket and reply paths",
    "implemented": true,
    "prdRefs": [
      "Requirements > Functional Requirements"
    ]
  },
  {
    "id": "F025",
    "description": "Add integration/UI/API tests covering contact-authored comment persistence and rendering",
    "implemented": true,
    "prdRefs": [
      "Acceptance Criteria (Definition of Done)"
    ]
  }
]