Keep timeline history duplicate-free across daemon upgrades (#2789)

* fix(app): keep timeline pagination duplicate-free

Older daemons page projected history by canonical sequence ranges, so one projected block can appear in adjacent responses. Accept each block on the page containing its projection anchor while still advancing across empty projected pages.\n\nProjected siblings can share a provider message ID, so render identity also includes the timeline cursor instead of collapsing distinct blocks onto one layout row.

* fix(e2e): preserve isolated daemon launch contract

Keep the source-daemon spawn path recognizable to the repository launch-contract check while selecting the built supervisor only for published package fixtures.

* fix(app): preserve stable timeline item identity

packages/app/e2e/support/helpers/mock-agent.ts

@@ -70,8 +70,12 @@ export async function seedRunningMockAgentWorkspace(
   }
 }
 
-export function buildAgentRoute(workspaceId: string, agentId: string): string {
-  return buildHostAgentDetailRoute(getServerId(), agentId, workspaceId);
+export function buildAgentRoute(
+  workspaceId: string,
+  agentId: string,
+  serverId = getServerId(),
+): string {
+  return buildHostAgentDetailRoute(serverId, agentId, workspaceId);
 }
 
 /** Boots the app directly at the agent's workspace route and waits for the open intent to settle. */