fix: remove URL-hash sync from script editor (already marked TEMP)

frontend/src/routes/(root)/(logged)/scripts/edit/[...path]/+page.svelte

@@ -4,12 +4,7 @@
 	import { initialArgsStore, userStore, workspaceStore } from '$lib/stores'
 	import ScriptBuilder from '$lib/components/ScriptBuilder.svelte'
 	import { editPathFor, invalidate } from '$lib/components/workspacePicker'
-	import {
-		cleanValueProperties,
-		encodeState,
-		orderedJsonStringify,
-		readFieldsRecursively
-	} from '$lib/utils'
+	import { cleanValueProperties, orderedJsonStringify } from '$lib/utils'
 	import { goto } from '$lib/navigation'
 	import { sendUserToast } from '$lib/toast'
 	import DiffDrawer from '$lib/components/DiffDrawer.svelte'
@@ -80,28 +75,6 @@
 		return () => UserDraft.clearLiveEditorDraft('script', { workspace, storagePath: draftPath })
 	})
 
-	/** Some pages base64-JSON-encode a NewScript-like payload into the URL
-	 * hash on `/scripts/edit/<path>#…`. Treat it as a one-shot seed that
-	 * wins over local autosave + backend draft + deployed: apply, toast,
-	 * strip from the URL. Same logic as /scripts/add, kept in this file for
-	 * a faithful mirror of its decoder.
-	 *
-	 * Can't reuse `decodeState` from utils.ts — it fires its own error toast
-	 * on parse failure, which would noise up the UI for unrelated anchors.
-	 */
-	function decodeUrlScriptSeed(): Partial<EditableScript> | undefined {
-		const fragment = page.url.hash.startsWith('#') ? page.url.hash.slice(1) : ''
-		if (!fragment) return undefined
-		try {
-			const decoded = JSON.parse(decodeURIComponent(atob(fragment)))
-			if (decoded && typeof decoded === 'object') return decoded as Partial<EditableScript>
-		} catch {
-			// Hash isn't a valid encoded script — ignore.
-		}
-		return undefined
-	}
-	let urlScriptSeed = decodeUrlScriptSeed()
-
 	// Seed from the URL so ScriptBuilder mounts with a populated `initialPath`
 	// even when `scriptHandle.draft` is already defined synchronously from a
 	// local autosave. An empty initialPath flips ScriptBuilder's
@@ -127,18 +100,6 @@
 	let staleModalCause = $state<'draft' | 'version'>('version')
 	let pendingBaseline: { baseline: EditableScript; revs: UserDraftMeta } | undefined = undefined
 
-	// === BEGIN TEMP URL-HASH SYNC (remove with future PR) ===
-	// Legacy behavior: URL hash both seeds the editor and stays in sync with
-	// edits. Asks the user via modal when the URL value would clobber an
-	// existing local autosave that differs from it.
-	let urlConflictModalOpen = $state(false)
-	let urlConflictPending: { seed: EditableScript; revs: UserDraftMeta } | undefined = undefined
-	// Gates the URL-sync effect until the initial URL-seed has been resolved
-	// (silent apply OR modal closed) so it doesn't overwrite the URL payload
-	// before the user has decided.
-	let initialUrlSeedResolved = $state(!urlScriptSeed)
-	// === END TEMP URL-HASH SYNC ===
-
 	function applyBaseline(baseline: EditableScript): void {
 		initialPath = baseline.path
 		scriptBuilder?.setDraftTriggers(baseline.draft_triggers)
@@ -170,26 +131,6 @@
 		staleModalOpen = false
 	}
 
-	// === BEGIN TEMP URL-HASH SYNC (remove with future PR) ===
-	function onUrlConflictUseUrl(): void {
-		if (urlConflictPending) {
-			const { seed, revs } = urlConflictPending
-			UserDraft.remove('script', draftPath)
-			scriptHandle.setDraftAndMeta(seed, revs)
-			applyBaseline(seed)
-			sendUserToast('Loaded from URL')
-		}
-		urlConflictPending = undefined
-		urlConflictModalOpen = false
-		initialUrlSeedResolved = true
-	}
-	function onUrlConflictKeepLocal(): void {
-		urlConflictPending = undefined
-		urlConflictModalOpen = false
-		initialUrlSeedResolved = true
-	}
-	// === END TEMP URL-HASH SYNC ===
-
 	/** Increments per `loadScript` call. Stale loads (e.g. when picker
 	 * navigation races a draft-discard reload) bail at the next checkpoint
 	 * after their captured token no longer matches. */
@@ -262,32 +203,7 @@
 				parent_hash: topHash ?? backendScript.hash
 			}
 
-			if (urlScriptSeed) {
-				// === TEMP URL-HASH SYNC branch (remove with future PR) ===
-				// URL hash seed competes with the local autosave on load.
-				// When they differ, defer to a user-facing modal instead of
-				// silently overwriting.
-				const seeded = { ...bakedBaseline, ...urlScriptSeed } as EditableScript
-				if (localDraft != undefined) {
-					const localClean = orderedJsonStringify(cleanValueProperties(localDraft))
-					const seededClean = orderedJsonStringify(cleanValueProperties(seeded))
-					if (localClean === seededClean) {
-						UserDraft.remove('script', draftPath)
-						scriptHandle.setDraftAndMeta(seeded, newRevs)
-						initialUrlSeedResolved = true
-					} else {
-						urlConflictPending = { seed: seeded, revs: newRevs }
-						urlConflictModalOpen = true
-					}
-				} else {
-					UserDraft.remove('script', draftPath)
-					scriptHandle.setDraftAndMeta(seeded, newRevs)
-					sendUserToast('Loaded from URL')
-					initialUrlSeedResolved = true
-				}
-				urlScriptSeed = undefined
-				// === END TEMP URL-HASH SYNC branch ===
-			} else if (localDraft != undefined) {
+			if (localDraft != undefined) {
 				const referenceClean = cleanValueProperties(backendScript)
 				const localClean = cleanValueProperties(localDraft)
 				if (orderedJsonStringify(referenceClean) === orderedJsonStringify(localClean)) {
@@ -362,31 +278,6 @@
 		}
 	})
 
-	// === BEGIN TEMP URL-HASH SYNC (remove with future PR) ===
-	// Mirror the current draft to the URL hash on every edit (debounced).
-	let _urlHashSyncTimeout: number | undefined
-	$effect(() => {
-		const draft = scriptHandle.draft
-		if (!draft) return
-		// Wait until the initial URL-seed has been resolved (silent apply or
-		// modal closed) so we don't clobber the URL payload prematurely.
-		if (!initialUrlSeedResolved) {
-			if (_urlHashSyncTimeout) clearTimeout(_urlHashSyncTimeout)
-			return
-		}
-		readFieldsRecursively(draft)
-		if (typeof window === 'undefined') return
-		if (_urlHashSyncTimeout) clearTimeout(_urlHashSyncTimeout)
-		_urlHashSyncTimeout = setTimeout(() => {
-			const snapshot = $state.snapshot(scriptHandle.draft)
-			if (!snapshot) return
-			const url = new URL(window.location.href)
-			url.hash = encodeState(snapshot)
-			window.history.replaceState(window.history.state, '', url.toString())
-		}, 500)
-	})
-	// === END TEMP URL-HASH SYNC ===
-
 	let diffDrawer: DiffDrawer | undefined = $state()
 
 	async function restoreDeployed() {
@@ -424,13 +315,6 @@
 		}}
 	/>
 {/if}
-<!-- TEMP URL-HASH SYNC: conflict modal (remove with future PR) -->
-<LocalDraftStaleModal
-	open={urlConflictModalOpen}
-	cause="url"
-	onLoadLatest={onUrlConflictUseUrl}
-	onKeepDraft={onUrlConflictKeepLocal}
-/>
 {#if scriptHandle.draft && renderEditor}
 	<ScriptBuilder
 		bind:this={scriptBuilder}