WeKnora deployment source with the reviewed wiki identity, summary and recovery fixes

internal/models/chat/stream_emit.go

@@ -0,0 +1,36 @@
+package chat
+
+import "github.com/Tencent/WeKnora/internal/types"
+
+// thinkingEmitter owns the "reasoning then answer" hand-off that every
+// streaming Chat implementation shares: thinking chunks are forwarded as they
+// arrive, and exactly one thinking-done marker is emitted before the first
+// answer token (or when the stream ends without one). Centralizing the
+// bookkeeping keeps the OpenAI-compatible and Ollama stream loops in sync.
+type thinkingEmitter struct {
+	active bool
+}
+
+// emit forwards a reasoning chunk and records that a thinking-done marker is
+// still owed.
+func (e *thinkingEmitter) emit(ch chan types.StreamResponse, content string) {
+	e.active = true
+	ch <- types.StreamResponse{
+		ResponseType: types.ResponseTypeThinking,
+		Content:      content,
+		Done:         false,
+	}
+}
+
+// finish emits the single thinking-done marker if one is owed. Safe to call
+// multiple times; only the first call after an emit sends anything.
+func (e *thinkingEmitter) finish(ch chan types.StreamResponse) {
+	if !e.active {
+		return
+	}
+	e.active = false
+	ch <- types.StreamResponse{
+		ResponseType: types.ResponseTypeThinking,
+		Done:         true,
+	}
+}