webui: add activity log support to curated pages

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/webui/internal/handlers/configure_keystore.go

@@ -157,8 +157,7 @@ func (h *ConfigureKeystoreHandler) AddSymKey(w http.ResponseWriter, r *http.Requ
 		renderSaveError(w, err)
 		return
 	}
-	w.Header().Set("HX-Location", `{"path":"/configure/keystore","target":"#content"}`)
-	w.WriteHeader(http.StatusNoContent)
+	renderSavedRedirect(w, "Symmetric key added", "/configure/keystore")
 }
 
 // DeleteSymKey removes a symmetric key from the candidate.
@@ -171,8 +170,7 @@ func (h *ConfigureKeystoreHandler) DeleteSymKey(w http.ResponseWriter, r *http.R
 		renderSaveError(w, err)
 		return
 	}
-	w.Header().Set("HX-Location", `{"path":"/configure/keystore","target":"#content"}`)
-	w.WriteHeader(http.StatusNoContent)
+	renderSavedRedirect(w, "Symmetric key deleted", "/configure/keystore")
 }
 
 // AddAsymKey adds an asymmetric key from a PEM-encoded private key.
@@ -225,8 +223,7 @@ func (h *ConfigureKeystoreHandler) AddAsymKey(w http.ResponseWriter, r *http.Req
 		renderSaveError(w, err)
 		return
 	}
-	w.Header().Set("HX-Location", `{"path":"/configure/keystore","target":"#content"}`)
-	w.WriteHeader(http.StatusNoContent)
+	renderSavedRedirect(w, "Asymmetric key added", "/configure/keystore")
 }
 
 // derivePublicKeyFromDER extracts the public key from DER-encoded private key bytes
@@ -289,8 +286,7 @@ func (h *ConfigureKeystoreHandler) DeleteAsymKey(w http.ResponseWriter, r *http.
 		renderSaveError(w, err)
 		return
 	}
-	w.Header().Set("HX-Location", `{"path":"/configure/keystore","target":"#content"}`)
-	w.WriteHeader(http.StatusNoContent)
+	renderSavedRedirect(w, "Asymmetric key deleted", "/configure/keystore")
 }
 
 // AddCert adds a certificate to an asymmetric key entry.
@@ -327,8 +323,7 @@ func (h *ConfigureKeystoreHandler) AddCert(w http.ResponseWriter, r *http.Reques
 		renderSaveError(w, err)
 		return
 	}
-	w.Header().Set("HX-Location", `{"path":"/configure/keystore","target":"#content"}`)
-	w.WriteHeader(http.StatusNoContent)
+	renderSavedRedirect(w, "Certificate added", "/configure/keystore")
 }
 
 // UpdateCert replaces the PEM data of an existing certificate.
@@ -380,8 +375,7 @@ func (h *ConfigureKeystoreHandler) DeleteCert(w http.ResponseWriter, r *http.Req
 		renderSaveError(w, err)
 		return
 	}
-	w.Header().Set("HX-Location", `{"path":"/configure/keystore","target":"#content"}`)
-	w.WriteHeader(http.StatusNoContent)
+	renderSavedRedirect(w, "Certificate deleted", "/configure/keystore")
 }
 
 // derBase64ToPEM converts a base64-encoded DER blob (as returned by RESTCONF

src/webui/internal/handlers/configure_system.go

@@ -365,6 +365,16 @@ func renderSaved(w http.ResponseWriter, msg string) {
 	w.WriteHeader(http.StatusOK)
 }
 
+// renderSavedRedirect logs a cfgSaved activity entry and then navigates HTMX to
+// the given page path (targeting #content). Use this instead of a bare HX-Location
+// for Add/Delete operations that redirect back to the listing page after success.
+func renderSavedRedirect(w http.ResponseWriter, msg, path string) {
+	b, _ := json.Marshal(msg)
+	w.Header().Set("HX-Trigger", `{"cfgSaved":`+string(b)+`}`)
+	w.Header().Set("HX-Location", `{"path":"`+path+`","target":"#content"}`)
+	w.WriteHeader(http.StatusNoContent)
+}
+
 // renderSaveError writes an inline error for HTMX. HX-Trigger ensures forms with
 // hx-swap="none" still receive the cfgError event (body swap alone would be silenced).
 // RESTCONF errors surface their server-side Message; all other errors fall back to

src/webui/internal/handlers/configure_users.go

@@ -339,7 +339,6 @@ func (h *ConfigureUsersHandler) DeleteKey(w http.ResponseWriter, r *http.Request
 		renderSaveError(w, err)
 		return
 	}
-
 	var userEntry map[string]any
 	for _, u := range raw.System.Auth.Users {
 		if u.Name != name {
@@ -391,7 +390,7 @@ func (h *ConfigureUsersHandler) DeleteKey(w http.ResponseWriter, r *http.Request
 		renderSaveError(w, err)
 		return
 	}
-	w.WriteHeader(http.StatusOK)
+	renderSavedRedirect(w, "SSH key deleted", "/configure/users")
 }
 
 // fetchAllGroups reads NACM groups from candidate, falling back to running on 404.