Merge branch 'feat/noa-experimental'：noa 实验性上下文压缩

agent/planner.go

@@ -36,6 +36,7 @@ type Planner struct {
 	workDir           string                                 // shared work dir (surfaced in prompt as artifact-output target)
 	injectConstraints func() bool                            // resolver: inject task operation constraints into system prompt? (nil = yes)
 	nonStreamingFn    func() bool                            // resolver: use non-streaming (Complete) path? (nil = streaming)
+	noaEnabledFn      func() bool                            // resolver: use experimental noa compaction? (nil = off)
 	maxTokensFn       func() int                             // resolver: per-reply output cap (nil/0 = send no cap)
 	compactor         *Compactor                             // cold-node compaction (§7); nil = disabled
 
@@ -64,6 +65,11 @@ func (p *Planner) SetNonStreaming(fn func() bool) { p.nonStreamingFn = fn }
 
 func (p *Planner) nonStreaming() bool { return p.nonStreamingFn != nil && p.nonStreamingFn() }
 
+// SetNoaEnabled wires a resolver deciding whether runs use the experimental noa
+// context-compression mechanism. nil/unset = off (built-in compaction). Read per
+// run so the settings toggle takes effect without rebuilding the agent.
+func (p *Planner) SetNoaEnabled(fn func() bool) { p.noaEnabledFn = fn }
+
 // SetMaxTokens wires a resolver for the per-reply output cap. nil/unset or 0 =
 // send no cap and let the endpoint decide. Read per run, like nonStreaming.
 func (p *Planner) SetMaxTokens(fn func() int) { p.maxTokensFn = fn }
@@ -430,6 +436,9 @@ func (p *Planner) Plan(ctx context.Context, taskID int64, as *db.AssetStore, ts
 		opts.Transcript = p.tx
 		opts.SessionID = fmt.Sprintf("exp%d-planner", ts.ID())
 	}
+	// 实验功能:开启后由 noa 接管上下文压缩(归档集中在 <workDir>/noa/<SessionID> 下,持久)。
+	noaSession := fmt.Sprintf("exp%d-planner", ts.ID())
+	enableNoa(&opts, p.noaEnabledFn, p.workDir, noaSession, noaWarn(noaSession))
 	// 态势（刚完成的意图 + 完整图）现在拼进本轮 user 输入（见下方 input）。user 里还有
 	// 指令 + 跨唤醒待办（todo 是模型自己的规划便签，可再生，放 user 即可）。
 	// 开场白按「本轮有无具体变动」分两种：有变动 → 指向下方【实际变动】块；无变动