Remove /knowledge/path; folded into /settings

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

internal/web/web.go

@@ -74,7 +74,6 @@ func (s *Server) Router() *gin.Engine {
 	r.POST("/end", s.handleEnd)
 	r.POST("/refocus", s.handleRefocus)
 	r.POST("/ontask", s.handleOnTask)
-	r.POST("/knowledge/path", s.handleKnowledgePath)
 	r.GET("/settings", s.handleGetSettings)
 	r.POST("/settings", s.handlePostSettings)
 	r.GET("/fs/browse", s.handleBrowse)
@@ -149,24 +148,6 @@ func (s *Server) handleCommitment(c *gin.Context) {
 	s.respond(c, err)
 }
 
-type knowledgePathRequest struct {
-	Path string `json:"path"`
-}
-
-// handleKnowledgePath repoints the profile file at runtime (session-only). It
-// mutates config, not commitment state, so it never returns a transition error;
-// it just sets the path, re-loads, and broadcasts the refreshed state.
-func (s *Server) handleKnowledgePath(c *gin.Context) {
-	var req knowledgePathRequest
-	if err := c.ShouldBindJSON(&req); err != nil {
-		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid json"})
-		return
-	}
-	s.ctrl.SetKnowledgePath(req.Path)
-	s.broadcast()
-	c.Data(http.StatusOK, "application/json", []byte(s.stateJSON()))
-}
-
 func (s *Server) handleComplete(c *gin.Context) {
 	s.cancelExpiry()
 	s.respond(c, s.ctrl.Complete())