refactor: move 2025H1 to archive and make 2025H2 primary

Reorganizes the book structure by moving 2025H1 to the archived section
and making 2025H2 the primary goal process. Updates navigation and
status displays to reflect the current active period.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: nikomatsakis

src/2025h2/README.md

@@ -1,7 +1,4 @@
-- Feature Name: N/A
-- Start Date: (fill me in with today's date, YYYY-MM-DD)
-- RFC PR: [rust-lang/rfcs#3849]
-- Rust Issue: N/A
+> ![Status: Accepted](https://img.shields.io/badge/Status-Accepted-green) [RFC #3849] has been **accepted**, establishing [(((#GOALS))) total Rust project goals for 2025H2](./goals.md). To see the latest updates go to the [Reports page](./reports.md).
 
 # Summary
 [summary]: #summary

src/SUMMARY.md

@@ -2,17 +2,12 @@
 
 [👋 Introduction](./README.md)
 
-# ⚙️ 2025H1 goal process
-
-- [Overview](./2025h1/README.md)
-- [Goals](./2025h1/goals.md)
-- [Goals not accepted](./2025h1/not_accepted.md)
-
-# ⏳ 2025H2 goal process
+# ⚙️ 2025H2 goal process
 
 - [Overview](./2025h2/README.md)
 - [Proposed goals](./2025h2/goals.md)
 - [Goals not accepted](./2025h2/not_accepted.md)
+- [Reports](./2025h2/reports.md)
 
 # 📖 Learn about
 
@@ -25,6 +20,9 @@
 - [Design axioms](./about/design_axioms.md)
 - [RFC](./rfc.md)
 * [Archived goal lists]()
+    * [2025H1](./2025h1/README.md)
+        * [Goals](./2025h1/goals.md)
+        * [Goals not accepted](./2025h1/not_accepted.md)
     * [2024H2](./2024h2/README.md)
         * [Goals](./2024h2/goals.md)
         * [Goals not accepted](./2024h2/not_accepted.md)