| | | 1 | | namespace NexusLabs.Needlr.AgentFramework.Progress; |
| | | 2 | | |
| | | 3 | | /// <summary> |
| | | 4 | | /// Base interface for all progress events emitted during agent/workflow execution. |
| | | 5 | | /// Every event carries correlation context enabling hierarchical trace reconstruction. |
| | | 6 | | /// </summary> |
| | | 7 | | public interface IProgressEvent |
| | | 8 | | { |
| | | 9 | | /// <summary>When the event occurred.</summary> |
| | | 10 | | DateTimeOffset Timestamp { get; } |
| | | 11 | | |
| | | 12 | | /// <summary>Top-level workflow correlation ID.</summary> |
| | | 13 | | string WorkflowId { get; } |
| | | 14 | | |
| | | 15 | | /// <summary>Which agent emitted this event, or <see langword="null"/> for workflow-level events.</summary> |
| | | 16 | | string? AgentId { get; } |
| | | 17 | | |
| | | 18 | | /// <summary>Parent agent ID for sub-agent runs, enabling tree reconstruction.</summary> |
| | | 19 | | string? ParentAgentId { get; } |
| | | 20 | | |
| | | 21 | | /// <summary>Nesting depth: 0 = workflow, 1 = agent, 2 = sub-agent, etc.</summary> |
| | | 22 | | int Depth { get; } |
| | | 23 | | |
| | | 24 | | /// <summary>Globally ordered sequence number for event ordering.</summary> |
| | | 25 | | long SequenceNumber { get; } |
| | | 26 | | } |
| | | 27 | | |
| | | 28 | | // --------------------------------------------------------------------------- |
| | | 29 | | // Workflow-level events |
| | | 30 | | // --------------------------------------------------------------------------- |
| | | 31 | | |
| | | 32 | | /// <summary>Workflow execution has started.</summary> |
| | | 33 | | public sealed record WorkflowStartedEvent( |
| | | 34 | | DateTimeOffset Timestamp, |
| | | 35 | | string WorkflowId, |
| | | 36 | | string? AgentId, |
| | | 37 | | string? ParentAgentId, |
| | | 38 | | int Depth, |
| | | 39 | | long SequenceNumber) : IProgressEvent; |
| | | 40 | | |
| | | 41 | | /// <summary>Workflow execution has completed.</summary> |
| | | 42 | | public sealed record WorkflowCompletedEvent( |
| | | 43 | | DateTimeOffset Timestamp, |
| | | 44 | | string WorkflowId, |
| | | 45 | | string? AgentId, |
| | | 46 | | string? ParentAgentId, |
| | | 47 | | int Depth, |
| | | 48 | | long SequenceNumber, |
| | | 49 | | bool Succeeded, |
| | | 50 | | string? ErrorMessage, |
| | | 51 | | TimeSpan TotalDuration) : IProgressEvent; |
| | | 52 | | |
| | | 53 | | // --------------------------------------------------------------------------- |
| | | 54 | | // Agent lifecycle events |
| | | 55 | | // --------------------------------------------------------------------------- |
| | | 56 | | |
| | | 57 | | /// <summary>An agent has been invoked (turn started).</summary> |
| | | 58 | | public sealed record AgentInvokedEvent( |
| | | 59 | | DateTimeOffset Timestamp, |
| | | 60 | | string WorkflowId, |
| | | 61 | | string? AgentId, |
| | | 62 | | string? ParentAgentId, |
| | | 63 | | int Depth, |
| | | 64 | | long SequenceNumber, |
| | | 65 | | string AgentName, |
| | | 66 | | string? GraphName = null, |
| | | 67 | | string? NodeId = null, |
| | | 68 | | string? BranchId = null, |
| | | 69 | | string? IncomingEdgeLabel = null) : IProgressEvent; |
| | | 70 | | |
| | | 71 | | /// <summary>An agent has completed its turn.</summary> |
| | 136 | 72 | | public sealed record AgentCompletedEvent( |
| | 0 | 73 | | DateTimeOffset Timestamp, |
| | 0 | 74 | | string WorkflowId, |
| | 0 | 75 | | string? AgentId, |
| | 0 | 76 | | string? ParentAgentId, |
| | 0 | 77 | | int Depth, |
| | 0 | 78 | | long SequenceNumber, |
| | 4 | 79 | | string AgentName, |
| | 0 | 80 | | TimeSpan Duration, |
| | 0 | 81 | | long TotalTokens, |
| | 0 | 82 | | long? InputTokens = null, |
| | 0 | 83 | | long? OutputTokens = null, |
| | 0 | 84 | | int? ToolCallCount = null, |
| | 136 | 85 | | string? TerminationReason = null) : IProgressEvent; |
| | | 86 | | |
| | | 87 | | /// <summary>An agent run failed.</summary> |
| | | 88 | | public sealed record AgentFailedEvent( |
| | | 89 | | DateTimeOffset Timestamp, |
| | | 90 | | string WorkflowId, |
| | | 91 | | string? AgentId, |
| | | 92 | | string? ParentAgentId, |
| | | 93 | | int Depth, |
| | | 94 | | long SequenceNumber, |
| | | 95 | | string AgentName, |
| | | 96 | | string ErrorMessage) : IProgressEvent; |
| | | 97 | | |
| | | 98 | | /// <summary>A chunk of streaming response text from an agent.</summary> |
| | | 99 | | public sealed record AgentResponseChunkEvent( |
| | | 100 | | DateTimeOffset Timestamp, |
| | | 101 | | string WorkflowId, |
| | | 102 | | string? AgentId, |
| | | 103 | | string? ParentAgentId, |
| | | 104 | | int Depth, |
| | | 105 | | long SequenceNumber, |
| | | 106 | | string AgentName, |
| | | 107 | | string Text) : IProgressEvent; |
| | | 108 | | |
| | | 109 | | /// <summary>An agent handed off to another agent.</summary> |
| | | 110 | | public sealed record AgentHandoffEvent( |
| | | 111 | | DateTimeOffset Timestamp, |
| | | 112 | | string WorkflowId, |
| | | 113 | | string? AgentId, |
| | | 114 | | string? ParentAgentId, |
| | | 115 | | int Depth, |
| | | 116 | | long SequenceNumber, |
| | | 117 | | string FromAgentId, |
| | | 118 | | string ToAgentId) : IProgressEvent; |
| | | 119 | | |
| | | 120 | | // --------------------------------------------------------------------------- |
| | | 121 | | // LLM call events |
| | | 122 | | // --------------------------------------------------------------------------- |
| | | 123 | | |
| | | 124 | | /// <summary>An LLM request has been sent.</summary> |
| | | 125 | | public sealed record LlmCallStartedEvent( |
| | | 126 | | DateTimeOffset Timestamp, |
| | | 127 | | string WorkflowId, |
| | | 128 | | string? AgentId, |
| | | 129 | | string? ParentAgentId, |
| | | 130 | | int Depth, |
| | | 131 | | long SequenceNumber, |
| | | 132 | | int CallSequence) : IProgressEvent; |
| | | 133 | | |
| | | 134 | | /// <summary>An LLM response has been received.</summary> |
| | | 135 | | public sealed record LlmCallCompletedEvent( |
| | | 136 | | DateTimeOffset Timestamp, |
| | | 137 | | string WorkflowId, |
| | | 138 | | string? AgentId, |
| | | 139 | | string? ParentAgentId, |
| | | 140 | | int Depth, |
| | | 141 | | long SequenceNumber, |
| | | 142 | | int CallSequence, |
| | | 143 | | string Model, |
| | | 144 | | TimeSpan Duration, |
| | | 145 | | long InputTokens, |
| | | 146 | | long OutputTokens, |
| | | 147 | | long TotalTokens) : IProgressEvent; |
| | | 148 | | |
| | | 149 | | /// <summary>An LLM call failed.</summary> |
| | | 150 | | public sealed record LlmCallFailedEvent( |
| | | 151 | | DateTimeOffset Timestamp, |
| | | 152 | | string WorkflowId, |
| | | 153 | | string? AgentId, |
| | | 154 | | string? ParentAgentId, |
| | | 155 | | int Depth, |
| | | 156 | | long SequenceNumber, |
| | | 157 | | int CallSequence, |
| | | 158 | | string ErrorMessage, |
| | | 159 | | TimeSpan Duration) : IProgressEvent; |
| | | 160 | | |
| | | 161 | | // --------------------------------------------------------------------------- |
| | | 162 | | // Tool call events |
| | | 163 | | // --------------------------------------------------------------------------- |
| | | 164 | | |
| | | 165 | | /// <summary>A tool invocation has started.</summary> |
| | | 166 | | public sealed record ToolCallStartedEvent( |
| | | 167 | | DateTimeOffset Timestamp, |
| | | 168 | | string WorkflowId, |
| | | 169 | | string? AgentId, |
| | | 170 | | string? ParentAgentId, |
| | | 171 | | int Depth, |
| | | 172 | | long SequenceNumber, |
| | | 173 | | string ToolName) : IProgressEvent; |
| | | 174 | | |
| | | 175 | | /// <summary>A tool invocation has completed.</summary> |
| | | 176 | | public sealed record ToolCallCompletedEvent( |
| | | 177 | | DateTimeOffset Timestamp, |
| | | 178 | | string WorkflowId, |
| | | 179 | | string? AgentId, |
| | | 180 | | string? ParentAgentId, |
| | | 181 | | int Depth, |
| | | 182 | | long SequenceNumber, |
| | | 183 | | string ToolName, |
| | | 184 | | TimeSpan Duration, |
| | | 185 | | IReadOnlyDictionary<string, object?>? CustomMetrics) : IProgressEvent; |
| | | 186 | | |
| | | 187 | | /// <summary>A tool invocation failed.</summary> |
| | | 188 | | public sealed record ToolCallFailedEvent( |
| | | 189 | | DateTimeOffset Timestamp, |
| | | 190 | | string WorkflowId, |
| | | 191 | | string? AgentId, |
| | | 192 | | string? ParentAgentId, |
| | | 193 | | int Depth, |
| | | 194 | | long SequenceNumber, |
| | | 195 | | string ToolName, |
| | | 196 | | string ErrorMessage, |
| | | 197 | | TimeSpan Duration) : IProgressEvent; |
| | | 198 | | |
| | | 199 | | // --------------------------------------------------------------------------- |
| | | 200 | | // Budget events |
| | | 201 | | // --------------------------------------------------------------------------- |
| | | 202 | | |
| | | 203 | | /// <summary>Token budget usage has been updated.</summary> |
| | | 204 | | public sealed record BudgetUpdatedEvent( |
| | | 205 | | DateTimeOffset Timestamp, |
| | | 206 | | string WorkflowId, |
| | | 207 | | string? AgentId, |
| | | 208 | | string? ParentAgentId, |
| | | 209 | | int Depth, |
| | | 210 | | long SequenceNumber, |
| | | 211 | | long CurrentInputTokens, |
| | | 212 | | long CurrentOutputTokens, |
| | | 213 | | long CurrentTotalTokens, |
| | | 214 | | long? MaxInputTokens, |
| | | 215 | | long? MaxOutputTokens, |
| | | 216 | | long? MaxTotalTokens) : IProgressEvent; |
| | | 217 | | |
| | | 218 | | /// <summary>A token budget limit has been exceeded.</summary> |
| | | 219 | | public sealed record BudgetExceededEvent( |
| | | 220 | | DateTimeOffset Timestamp, |
| | | 221 | | string WorkflowId, |
| | | 222 | | string? AgentId, |
| | | 223 | | string? ParentAgentId, |
| | | 224 | | int Depth, |
| | | 225 | | long SequenceNumber, |
| | | 226 | | string LimitType, |
| | | 227 | | long CurrentValue, |
| | | 228 | | long MaxValue) : IProgressEvent; |
| | | 229 | | |
| | | 230 | | // --------------------------------------------------------------------------- |
| | | 231 | | // Workflow control-flow events (MAF SuperSteps) |
| | | 232 | | // --------------------------------------------------------------------------- |
| | | 233 | | |
| | | 234 | | /// <summary>A workflow control-flow step (SuperStep) has started. Represents one |
| | | 235 | | /// cycle of the orchestration loop: send work to agents → collect results → decide next.</summary> |
| | | 236 | | public sealed record SuperStepStartedProgressEvent( |
| | | 237 | | DateTimeOffset Timestamp, |
| | | 238 | | string WorkflowId, |
| | | 239 | | string? AgentId, |
| | | 240 | | string? ParentAgentId, |
| | | 241 | | int Depth, |
| | | 242 | | long SequenceNumber, |
| | | 243 | | int StepNumber, |
| | | 244 | | int? ParallelBranchCount = null) : IProgressEvent; |
| | | 245 | | |
| | | 246 | | /// <summary>A workflow control-flow step (SuperStep) has completed.</summary> |
| | | 247 | | public sealed record SuperStepCompletedProgressEvent( |
| | | 248 | | DateTimeOffset Timestamp, |
| | | 249 | | string WorkflowId, |
| | | 250 | | string? AgentId, |
| | | 251 | | string? ParentAgentId, |
| | | 252 | | int Depth, |
| | | 253 | | long SequenceNumber, |
| | | 254 | | int StepNumber) : IProgressEvent; |
| | | 255 | | |
| | | 256 | | // --------------------------------------------------------------------------- |
| | | 257 | | // Phase lifecycle events |
| | | 258 | | // --------------------------------------------------------------------------- |
| | | 259 | | |
| | | 260 | | /// <summary>A pipeline phase has started execution.</summary> |
| | | 261 | | public sealed record PhaseStartedEvent( |
| | | 262 | | DateTimeOffset Timestamp, |
| | | 263 | | string WorkflowId, |
| | | 264 | | string? AgentId, |
| | | 265 | | string? ParentAgentId, |
| | | 266 | | int Depth, |
| | | 267 | | long SequenceNumber, |
| | | 268 | | string PhaseName, |
| | | 269 | | int PhaseIndex, |
| | | 270 | | int TotalPhases, |
| | | 271 | | int StageCount) : IProgressEvent; |
| | | 272 | | |
| | | 273 | | /// <summary>A pipeline phase has completed execution.</summary> |
| | | 274 | | public sealed record PhaseCompletedEvent( |
| | | 275 | | DateTimeOffset Timestamp, |
| | | 276 | | string WorkflowId, |
| | | 277 | | string? AgentId, |
| | | 278 | | string? ParentAgentId, |
| | | 279 | | int Depth, |
| | | 280 | | long SequenceNumber, |
| | | 281 | | string PhaseName, |
| | | 282 | | int PhaseIndex, |
| | | 283 | | int TotalPhases, |
| | | 284 | | bool Succeeded, |
| | | 285 | | TimeSpan Duration) : IProgressEvent; |