Expand README for dynamic season and git/emoji notes

README.md

@@ -85,10 +85,12 @@ Linux/WSL:
 
 - PS1 only / Banner only / Both
 - PS1 modes: Single season, Dynamic season, Contest pack, Holidays pack
+- Dynamic season auto-switches by time of year (Spring: Mar–May, Summer: Jun–Aug, Autumn: Sep–Nov 14, Winter: Nov 15–Feb)
 
 macOS:
 
 - PS1 modes: Single season, Dynamic season, Contest pack, Holidays pack
+- Dynamic season auto-switches by time of year (same ranges as Linux)
 </details>
 
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@@ -183,7 +185,12 @@ The Git theme adds a repo-aware capsule on line 2 that only appears inside a Git
 - Untracked: 🧷
 - Stashed: 📦
 
-It uses the same two-block layout as Aurora, but focuses on signal and minimal noise for fast scanning.
+It uses the same two-block layout as Aurora, but focuses on signal and minimal noise for fast scanning. Use it when you want repo status on every command without a full VCS prompt.
+
+Git capsule switch:
+
+- `PS1_GIT=1` enables the git capsule on all themes
+- Git theme always shows it, regardless of `PS1_GIT`
 </details>
 
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@@ -212,6 +219,18 @@ Seasonal sets (sunrise / work):
 - Summer: 🌞 🏖️ 🌅 🌤 / 🏄 🏖️ 🚤 🌴
 - Autumn: 🍁 🍂 🌫️ 🌦️ / 🍂 🍄 🎃 🪵
 - Winter: 🏔️ 🌨️ ❄️ 🌌 / 🎿 ⛷️ 🏂 🧊
+
+Time slots:
+
+- Sunrise: 05:00–08:59
+- Coffee: 09:00–10:59
+- Work: 11:30–15:59 (unless lunch overrides)
+- Evening: 17:00–22:59
+- Night: 23:00–04:59
+
+Meaning:
+
+- Emoji is a light accent for time/season; it never replaces core info
 </details>
 
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