harn-hostlib 0.10.49

Opt-in code-intelligence and deterministic-tool host builtins for the Harn VM
Documentation 
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{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://harnlang.com/schemas/hostlib/session/open.request.json",
  "title": "session.open request",
  "description": "Open an existing canonical session or create it if absent.",
  "type": "object",
  "properties": {
    "root": { "type": "string", "minLength": 1 },
    "id": { "type": ["string", "null"] },
    "tenant_id": { "type": ["string", "null"] },
    "persona": { "type": ["string", "null"] },
    "parent_session_id": { "type": ["string", "null"] },
    "title": { "type": ["string", "null"] },
    "cwd": { "type": ["string", "null"] },
    "model": { "type": ["string", "null"] },
    "session_type": {
      "type": ["string", "null"],
      "enum": ["user", "subagent", "scheduled", null]
    },
    "project_scope": { "type": ["string", "null"] },
    "usage_input": { "type": "integer", "minimum": 0 },
    "usage_output": { "type": "integer", "minimum": 0 },
    "usage_cost_usd_micros": { "type": "integer", "minimum": 0 },
    "ttl_seconds": { "type": ["integer", "null"], "minimum": 0 },
    "tags": { "type": "array", "items": { "type": "string" } },
    "attributes": { "type": "object" }
  },
  "required": ["root"],
  "additionalProperties": false
}