chore: push all design docs, V2 plan specs, and current working state

Includes AirPlan design documents, AircOding-alpha1-plan, AirPlanV2,
AirPlan-ParaV2, AirPlan-Para V1 reference docs, and all working code
changes across packages.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

packages/scheduler/src/index.ts

@@ -0,0 +1,8 @@
+export { TaskGraph } from './TaskGraph.js'
+export type { CascadeReport } from './TaskGraph.js'
+export { Scheduler } from './Scheduler.js'
+export type { SchedulerState, SchedulerContext } from './Scheduler.js'
+export { WavePlanner } from './WavePlanner.js'
+export { RetryPlanner } from './RetryPlanner.js'
+export { WorkspaceManager } from './WorkspaceManager.js'
+export { AgentMonitor } from './AgentMonitor.js'