{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://memind.local/schemas/context-plan.v1.schema.json",
  "title": "ContextPlan",
  "description": "Context Planner 输出 — 决定需要哪些上下文及多源检索计划",
  "type": "object",
  "required": ["query_type", "time", "temporal_mode", "targets", "sources", "retrievals", "context_needs"],
  "additionalProperties": false,
  "properties": {
    "query_type": {
      "type": "string",
      "enum": [
        "personal_temporal_recall",
        "memory_lookup",
        "profile_only",
        "general_chat",
        "task_execution"
      ]
    },
    "time": {
      "type": "object",
      "required": ["mention_range"],
      "additionalProperties": false,
      "properties": {
        "mention_range": {
          "$ref": "#/$defs/timeRange",
          "description": "按 observed_time / 提及时间过滤"
        },
        "event_range": {
          "oneOf": [{ "$ref": "#/$defs/timeRange" }, { "type": "null" }],
          "description": "按 event_time / 计划发生时间过滤"
        },
        "relative_label": {
          "type": ["string", "null"],
          "enum": [
            "today",
            "yesterday",
            "day_before_yesterday",
            "this_week",
            "last_week",
            "this_month",
            "last_month",
            "recent_days",
            null
          ]
        }
      }
    },
    "temporal_mode": {
      "type": "string",
      "enum": ["OCCURRED_IN", "MENTIONED_IN", "PLANNED_IN", "CREATED_IN", "DUE_IN", "AMBIGUOUS"]
    },
    "targets": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "object",
        "required": ["type", "weight"],
        "additionalProperties": false,
        "properties": {
          "type": {
            "type": "string",
            "enum": [
              "calendar_event",
              "event",
              "schedule",
              "todo",
              "commitment",
              "decision",
              "mention",
              "important_event"
            ]
          },
          "weight": { "type": "number", "minimum": 0, "maximum": 1 }
        }
      }
    },
    "sources": {
      "type": "object",
      "additionalProperties": { "type": "number", "minimum": 0, "maximum": 1 },
      "propertyNames": {
        "enum": ["calendar", "chat", "meinput", "memory_v2", "email", "browser", "tasks", "git"]
      }
    },
    "retrievals": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["source", "query_type", "weight"],
        "additionalProperties": false,
        "properties": {
          "source": {
            "type": "string",
            "enum": ["calendar", "chat", "meinput", "memory_v2"]
          },
          "query_type": {
            "type": "string",
            "description": "源内检索策略，如 important_mentions | commitments_and_decisions | events"
          },
          "expanded_queries": {
            "type": "array",
            "items": { "type": "string", "maxLength": 128 }
          },
          "weight": { "type": "number", "minimum": 0, "maximum": 1 },
          "skip_below": {
            "type": "number",
            "minimum": 0,
            "maximum": 1,
            "default": 0.3,
            "description": "低于此权重的 source 跳过检索"
          }
        }
      }
    },
    "filters": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "importance_min": { "type": "number", "minimum": 0, "maximum": 1 },
        "status": {
          "type": "string",
          "enum": ["any", "unresolved", "planned", "completed"]
        },
        "participants": {
          "type": "array",
          "items": { "type": "string" }
        }
      }
    },
    "output": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "group_by": {
          "type": "string",
          "enum": ["importance", "time", "source", "type"]
        },
        "dedupe": { "type": "boolean", "default": true },
        "timeline": { "type": "boolean", "default": true },
        "wide_recall": { "type": "boolean", "default": true },
        "max_items": { "type": "integer", "minimum": 1, "maximum": 200, "default": 50 }
      }
    },
    "context_needs": {
      "type": "object",
      "required": ["user_snapshot", "temporal_recall", "memory_retrieval"],
      "additionalProperties": false,
      "properties": {
        "user_snapshot": { "type": "string", "enum": ["REQUIRED", "OPTIONAL", "SKIP"] },
        "temporal_recall": { "type": "string", "enum": ["REQUIRED", "OPTIONAL", "SKIP"] },
        "memory_retrieval": { "type": "string", "enum": ["REQUIRED", "OPTIONAL", "SKIP"] }
      }
    },
    "planner_meta": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "level": { "type": "string", "enum": ["cheap_router", "semantic_planner"] },
        "rule_hits": { "type": "array", "items": { "type": "string" } },
        "confidence": { "type": "number", "minimum": 0, "maximum": 1 }
      }
    }
  },
  "$defs": {
    "timeRange": {
      "type": "object",
      "required": ["start", "end"],
      "additionalProperties": false,
      "properties": {
        "start": { "type": "string", "format": "date-time" },
        "end": { "type": "string", "format": "date-time" }
      }
    }
  }
}