weichen
265616e997
pi-native 与 runner NDJSON 把推理和工具调用投影为 detail，任务流始终落库；非 200 的流式尝试回落到一次性 /v1/run，避免改变既有错误分类。
75 lines
2.5 KiB
Go
75 lines
2.5 KiB
Go
package agent
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import (
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"context"
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"time"
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"chat-agent-system/internal/config"
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)
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type Request struct {
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WorkDir string `json:"work_dir"`
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Prompt string `json:"prompt"`
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Instructions string `json:"instructions"`
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Targets []string `json:"targets"`
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Timeout time.Duration `json:"timeout"`
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// ToolProfile is workspace (default, document tools) or reasoning (no tools).
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ToolProfile string `json:"tool_profile,omitempty"`
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// OnEvent 可选过程事件回调（nil = 调用方不需要过程，后端行为与现状完全一致）。
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// 实现方必须保证：回调在 Execute 返回前完成（同步调用或等待收尾），无泄漏 goroutine；
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// 回调内不得阻塞（消费方自行节流/异步入队）。
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OnEvent func(ev ProcessEvent)
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}
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// ProcessEvent 对 agentx 事件与远程 runner NDJSON 过程帧的统一投影，
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// 供小队过程流式展示消费（见 .doc/system-design/2026-09-28-agent-process-streaming-and-subagent-view-design.md）。
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type ProcessEvent struct {
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Type string // text_delta | reasoning_delta | tool_call_delta | tool_execution_start | tool_execution_end | message_end | ...
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Text string // delta 文本（Type 为 *_delta 时）
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Tool string // 工具名（tool_* 时）
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Detail string // 工具参数/结果摘要（tool_execution_* 时）
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}
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const (
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ToolProfileWorkspace = "workspace"
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ToolProfileReasoning = "reasoning"
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)
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type Result struct {
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Success bool `json:"success"`
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Patches map[string][]byte `json:"patches"`
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Logs string `json:"logs"`
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ErrorReason string `json:"error_reason"`
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// Retryable marks a provider-transient failure that may receive a
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// fresh step invocation. Permanent missing deliverables stay false.
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Retryable bool `json:"retryable,omitempty"`
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// PromptTokens and CompletionTokens are set by pi-native when the provider reports usage.
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PromptTokens int `json:"prompt_tokens,omitempty"`
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CompletionTokens int `json:"completion_tokens,omitempty"`
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}
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type Backend interface {
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Name() string
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Execute(ctx context.Context, req Request) (*Result, error)
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}
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func NewBackend(name string, cfg *config.Config) Backend {
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var inner Backend
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switch name {
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case "pi-agent":
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inner = &PiAgentBackend{cfg: cfg}
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case "pi-native":
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inner = &fallbackBackend{
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primary: NewPiNativeBackend(cfg),
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fallback: &PiAgentBackend{cfg: cfg},
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}
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default:
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inner = &StubBackend{}
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}
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max := 8
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if cfg != nil && cfg.MaxConcurrentAgents > 0 {
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max = cfg.MaxConcurrentAgents
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}
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return WrapWithConcurrencyLimit(inner, max)
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}
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