Implement response deletes in the browser host instead of declining them

"Delete all responses" and "Clear send history" were in the web host's
DECLINED table under "Sending isn't available in the browser yet". That
conflated producing responses with deleting responses the user already
has: both are pure database work, and the model layer in the worker
already answers that class of command.

Both dispatch arms call the same yaak-models queries
yaak_commands::models does, so the cascade and the delete events match
the desktop's.

crates/yaak-web/pkg/yaak_web_bg.js

@@ -678,22 +678,22 @@ export function __wbg_versions_215a3ab1c9d5745a(arg0) {
     return ret;
 }
 export function __wbindgen_cast_0000000000000001(arg0, arg1) {
-    // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [Externref], shim_idx: 1104, ret: Result(Unit), inner_ret: Some(Result(Unit)) }, mutable: true }) -> Externref`.
+    // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [Externref], shim_idx: 1102, ret: Result(Unit), inner_ret: Some(Result(Unit)) }, mutable: true }) -> Externref`.
     const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__hf84d53817e0238b4);
     return ret;
 }
 export function __wbindgen_cast_0000000000000002(arg0, arg1) {
-    // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("Event")], shim_idx: 202, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
+    // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("Event")], shim_idx: 200, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
     const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h7e06bb925b918fbb);
     return ret;
 }
 export function __wbindgen_cast_0000000000000003(arg0, arg1) {
-    // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("IDBVersionChangeEvent")], shim_idx: 180, ret: Result(Unit), inner_ret: Some(Result(Unit)) }, mutable: true }) -> Externref`.
+    // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("IDBVersionChangeEvent")], shim_idx: 70, ret: Result(Unit), inner_ret: Some(Result(Unit)) }, mutable: true }) -> Externref`.
     const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h7e53e249a4dc4aa9);
     return ret;
 }
 export function __wbindgen_cast_0000000000000004(arg0, arg1) {
-    // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [], shim_idx: 200, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
+    // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [], shim_idx: 198, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
     const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h87640adb2bbfa2fc);
     return ret;
 }

crates/yaak-web/src/lib.rs

@@ -312,6 +312,34 @@ fn dispatch(
             to_json(db.get_or_create_workspace_meta(&workspace.id).map_err(js_error)?)
         }
 
+        // Deleting responses is a pure database operation — the same one the
+        // desktop performs. It has nothing to do with *producing* responses
+        // (that is sending, which needs a socket); it only removes rows the
+        // user already has. Both delegate to the exact query-layer functions
+        // `yaak_commands::models` calls, so the cascade and the delete events
+        // match the desktop's.
+        "cmd_delete_all_http_responses" => {
+            let req: RequestIdReq = from_js(payload)?;
+            host.queries
+                .connect()
+                .delete_all_http_responses_for_request(&req.request_id, source)
+                .map_err(js_error)?;
+            to_json(())
+        }
+
+        "cmd_delete_send_history" => {
+            let req: WorkspaceIdReq = from_js(payload)?;
+            host.queries
+                .with_tx(|tx| {
+                    tx.delete_all_http_responses_for_workspace(&req.workspace_id, source)?;
+                    tx.delete_all_grpc_connections_for_workspace(&req.workspace_id, source)?;
+                    tx.delete_all_websocket_connections_for_workspace(&req.workspace_id, source)?;
+                    Ok::<(), yaak_models::error::Error>(())
+                })
+                .map_err(js_error)?;
+            to_json(())
+        }
+
         other => Err(js_error(format!("yaak-web: `{other}` is not a command this host answers"))),
     }
 }