fix(frontend): address Copilot review comments and remove stale dfx artifacts

- Remove dfx-generated index.js, index.d.ts, and raw .did files from both
  declaration directories (ic_vetkeys_encrypted_maps_canister and
  ic_vetkeys_manager_canister). These used @dfinity/agent and dfx-specific
  env vars (DFX_NETWORK, CANISTER_ID_*) and are no longer needed now that
  the library uses @icp-sdk/core.
- Fix encrypted_maps_canister.ts: split idlFactory (value import) from
  _SERVICE/AccessRights/ByteBuf/EncryptedMapData (type-only imports via
  import type). The .did.js module only exports idlFactory and init at
  runtime; importing types as values would fail under strict ESM.
- Fix key_manager/index.ts: change import source from the raw Candid text
  file (.did) to the generated JS module (.did.js), and use import type
  for type-only symbols.
- Fix make_did_bindings.sh: add explicit / path separator between DIR and
  NAME so the function is robust if DIR is passed without a trailing slash.
- Fix provision-frontend-linux.sh: remove sudo from rustup install; sudo
  installs into root's home while subsequent steps add $HOME/.cargo/bin
  (runner's home) to PATH, causing cargo to not be found.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: marc0olo

.github/workflows/provision-frontend-linux.sh

@@ -10,7 +10,7 @@ npm install -g @icp-sdk/icp-cli @icp-sdk/ic-wasm
 
 # Install rust
 wget --output-document install-rustup.sh "https://sh.rustup.rs"
-sudo bash install-rustup.sh -y
+bash install-rustup.sh -y
 rustup target add wasm32-unknown-unknown
 
 # Set environment variables.

frontend/ic_vetkeys/make_did_bindings.sh

@@ -5,13 +5,13 @@ function make_and_copy_declarations () {
     NAME=$2
     DID_FILE=$3
 
-    pushd "$DIR""$NAME"
+    pushd "$DIR/$NAME"
     make extract-candid
     popd
 
     rm -rf "src/declarations/$NAME"
     mkdir -p "src/declarations/$NAME"
-    npx @icp-sdk/bindgen --did-file "$DIR$NAME/$DID_FILE" --out-dir "src/declarations/$NAME" --declarations-flat --force
+    npx @icp-sdk/bindgen --did-file "$DIR/$NAME/$DID_FILE" --out-dir "src/declarations/$NAME" --declarations-flat --force
 }
 
 make_and_copy_declarations "../../backend/rs/canisters/" "ic_vetkeys_manager_canister" "ic_vetkeys_manager_canister.did"

frontend/ic_vetkeys/src/declarations/ic_vetkeys_encrypted_maps_canister/ic_vetkeys_encrypted_maps_canister.did

@@ -1,7 +1,7 @@
 import { Principal } from "@icp-sdk/core/principal";
 import { Actor, ActorSubclass, HttpAgent } from "@icp-sdk/core/agent";
 import { idlFactory } from "../declarations/ic_vetkeys_encrypted_maps_canister/ic_vetkeys_encrypted_maps_canister.did.js";
-import {
+import type {
     _SERVICE as _DEFAULT_ENCRYPTED_MAPS_SERVICE,
     AccessRights,
     ByteBuf,

frontend/ic_vetkeys/src/declarations/ic_vetkeys_encrypted_maps_canister/index.d.ts

@@ -11,16 +11,16 @@ import {
     EncryptedVetKey,
     DerivedPublicKey,
 } from "../utils/utils";
-import {
+import type {
     AccessRights,
     ByteBuf,
-} from "../declarations/ic_vetkeys_manager_canister/ic_vetkeys_manager_canister.did";
+} from "../declarations/ic_vetkeys_manager_canister/ic_vetkeys_manager_canister.did.js";
 
 export { DefaultKeyManagerClient } from "./key_manager_canister";
 export type {
     AccessRights,
     ByteBuf,
-} from "../declarations/ic_vetkeys_manager_canister/ic_vetkeys_manager_canister.did";
+} from "../declarations/ic_vetkeys_manager_canister/ic_vetkeys_manager_canister.did.js";
 
 /**
  * The **`KeyManager`** frontend library facilitates interaction with a [**`KeyManager`-enabled canister**](https://docs.rs/ic-vetkeys/latest/ic_vetkeys/key_manager/struct.KeyManager.html) on the **Internet Computer (ICP)**.