| 1 | package agent |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "strings" |
| 6 | "sync" |
| 7 | |
| 8 | "reasonix/internal/event" |
| 9 | "reasonix/internal/evidence" |
| 10 | "reasonix/internal/tool" |
| 11 | ) |
| 12 | |
| 13 | type workspaceEffectiveCall struct { |
| 14 | name string |
| 15 | args json.RawMessage |
| 16 | readOnly bool |
| 17 | } |
| 18 | |
| 19 | var workspaceMutationSignalMu sync.Mutex |
| 20 | |
| 21 | func finalizeWorkspaceMutationOutcome(out *toolOutcome, plan *toolCallPlan) { |
| 22 | out.executed = plan.executed |
| 23 | if plan.evidenceName != "" { |
| 24 | out.effective = workspaceEffectiveCall{ |
| 25 | name: plan.evidenceName, args: append([]byte(nil), plan.evidenceArgs...), readOnly: plan.readOnly, |
| 26 | } |
| 27 | } |
| 28 | if !plan.executed || isMCPLifecycleConnectTarget(plan.runTool) { |
| 29 | return |
| 30 | } |
| 31 | if mutation, ok := workspaceMutationForCall(plan.call.ID, plan.evidenceName, plan.evidenceArgs, plan.readOnly); ok { |
| 32 | out.workspaceMutation = &mutation |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | // tool.before can turn nominally read-only parallel calls into writers. Keep |
| 37 | // the optional sink callback serial while publishing from each worker as soon |
| 38 | // as that concrete replacement completes. |
| 39 | func recordWorkspaceMutation(sink event.Sink, mutation *event.WorkspaceMutation) { |
| 40 | if mutation == nil { |
| 41 | return |
| 42 | } |
| 43 | workspaceMutationSignalMu.Lock() |
| 44 | defer workspaceMutationSignalMu.Unlock() |
| 45 | event.RecordWorkspaceMutation(sink, *mutation) |
| 46 | } |
| 47 | |
| 48 | // workspaceMutationForCall classifies host resource invalidation independently |
| 49 | // from the delivery evidence ledger. Delivery asks whether a call invalidates a |
| 50 | // completed-review receipt; the desktop asks which workspace resources may have |
| 51 | // changed. Those contracts intentionally differ for operations such as a bare |
| 52 | // git commit, which changes HEAD/index/history without changing file contents. |
| 53 | func workspaceMutationForCall(toolID, toolName string, args json.RawMessage, readOnly bool) (event.WorkspaceMutation, bool) { |
| 54 | toolName = strings.TrimSpace(toolName) |
| 55 | if toolName == "" || evidence.IsNonMutationMetaTool(toolName) || workspaceHostStateOnlyTool(toolName) { |
| 56 | return event.WorkspaceMutation{}, false |
| 57 | } |
| 58 | effects := evidence.ClassifyToolCall(toolName, args, readOnly) |
| 59 | if !effects.WorkspaceMutation { |
| 60 | return event.WorkspaceMutation{}, false |
| 61 | } |
| 62 | |
| 63 | paths := evidence.ToolCallPaths(args) |
| 64 | mutation := event.WorkspaceMutation{ |
| 65 | ToolID: toolID, |
| 66 | ToolName: toolName, |
| 67 | Paths: paths, |
| 68 | AllPaths: tool.IsShellToolName(toolName) || len(paths) == 0, |
| 69 | Content: effects.ContentMutation, |
| 70 | Tree: effects.ContentMutation, |
| 71 | WorkingTree: effects.ContentMutation, |
| 72 | GitMeta: effects.RepositoryMutation, |
| 73 | } |
| 74 | return mutation, true |
| 75 | } |
| 76 | |
| 77 | func workspaceHostStateOnlyTool(toolName string) bool { |
| 78 | if strings.HasPrefix(toolName, "mcp_connect__") { |
| 79 | return true |
| 80 | } |
| 81 | switch toolName { |
| 82 | case "job_kill", "kill_shell", "remember", "forget": |
| 83 | return true |
| 84 | default: |
| 85 | return false |
| 86 | } |
| 87 | } |
| 88 |