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#
AgentError

source
pub(all) suberror AgentError {
  Model(String)
  Session(SessionError)
  Runtime(RuntimeError)
  ToolLoopExceeded(consumed~ : Int, limit~ : Int)
  PipelineAborted(String)
} derive(
Debug)

impl Show for AgentError

#
CommandError

source
pub(all) suberror CommandError {
  NotFound(String)
  InvalidArgs(reason~ : String)
  ExecutionFailed(String)
} derive(
Debug)

Errors raised by CommandPort.invoke: unknown command id, invalid args, or execution failure.

#
CompositionError

source
pub(all) suberror CompositionError {
  ToolCollision(String, String, manifests~ : Array[String])
  CommandCollision(String, manifests~ : Array[String])
  MissingModel
  MultipleModels(manifests~ : Array[String])
  EmptyManifests
  ManifestSchemaError(manifest_id~ : String, detail~ : String)
  EmptyPort(String)
  ExtensionComposeFailed(manifest_id~ : String, detail~ : String)
} derive(
Debug)

Composition errors raised during Agent::new (manifest aggregation failures).

Every variant that involves a specific extension carries manifest_id so callers can locate the offending extension without guessing. Multi-party collisions carry the list of involved manifest ids.

#
MemoryError

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pub(all) suberror MemoryError {
  Store(String)
  Search(String)
  Delete(String)
} derive(
Debug)

impl Show for MemoryError

#
ModelError

source
pub(all) suberror ModelError {
  RequestBuild(String)
  Transport(String)
  ResponseParse(String)
  RateLimited(RateLimitInfo)
} derive(
Debug)

impl Show for ModelError

#
RuntimeError

source
pub(all) suberror RuntimeError {
  UnknownTool(String)
  InvocationFailed(String)
  Transport(String)
  ToolAlreadyRegistered(String)
} derive(
Debug)

#
RuntimeError::to_string

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fn RuntimeError::to_string(self : RuntimeError) -> String

#
SessionError

source
pub(all) suberror SessionError {
  Load(String)
  Save(String)
} derive(
Debug)

#
SessionError::to_string

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fn SessionError::to_string(self : SessionError) -> String

#
UiError

source
pub(all) suberror UiError {
  Unsupported(detail~ : String)
  Cancelled
  InvalidRequest(detail~ : String)
  IoFailure(detail~ : String)
} derive(
Debug)

Errors raised by UiPort implementations. UiPort::request MUST raise one of these typed variants instead of an untyped error, so that callers can distinguish "user cancelled" from "this UI doesn't support requests".
impl Show for UiError

#
RateLimitInfo

source
pub(all) struct RateLimitInfo {
  status : Int
  message : String
  reset_at_ms : Int64?
  provider_code : String?
} derive(Eq, 
Debug)

Structured quota/rate-limit verdict returned by a provider (the HTTP 429 family). Raised as ModelError::RateLimited instead of Transport so hosts can schedule recovery from typed data instead of parsing strings.

reset_at_ms is the Unix epoch in milliseconds at which the provider stated the quota window frees; None means no explicit reset time was stated, so waiting is not schedulable and the caller should treat the verdict as terminal for this turn. provider_code is the provider's own machine code for the verdict when available (for example z.ai "1308", OpenAI "usage_limit_reached"). message is a bounded excerpt of the provider message, safe to display.

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