[WIP] Add milestone tracker for 30/60/90-day deliverables

[Copilot]

Program Milestone Tracker: 30/60/90-Day Deliverables

Plan

• Review existing documentation and tracker structure
• Create dedicated milestone tracker document with:
  • Weekly status updates section
  • Deliverables with confidence levels (on-track/at-risk/off-track)
  • Dependencies and blockers tied to workstreams
  • Links to existing execution tracker and plans
• Update MASTER_INDEX.md to include new tracker
• Update active_state.md to reflect new tracker creation

Scope

Tracking kickoff progress against first 30/60/90-day deliverables:

• 30-day: Authlib scaffolding + telemetry scaffolding + first full compatibility packet
• 60-day: provider wrapper primary-path adoption + registry config controlled enablement + GuildConfigService pilot proof
• 90-day: role/multiworld functional disablement and validated channel-ID migration start

Original prompt

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This section details on the original issue you should resolve

<issue_title>Program milestone tracker: 30/60/90-day modernization deliverables</issue_title>
<issue_description>## Context
Time-boxed execution targets from docs/plans/modernization_meta_execution_plan_ai_accelerated.md.

Objective

Track kickoff progress against first 30/60/90-day deliverables.

Scope

• 30-day: Authlib scaffolding + telemetry scaffolding + first full compatibility packet
• 60-day: provider wrapper primary-path adoption + registry config controlled enablement + GuildConfigService pilot proof
• 90-day: role/multiworld functional disablement and validated channel-ID migration start

Acceptance Criteria

• Deliverable status is updated weekly
• Dependencies/blockers tied back to WS issues
• Milestone confidence (on-track/at-risk/off-track) maintained

References

• docs/plans/modernization_meta_execution_plan_ai_accelerated.md</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Program milestone tracker: 30/60/90-day modernization deliverables #101

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