Refactor Home UI controls and add dice to campaign log entries

UX.md

@@ -20,7 +20,7 @@ In scope for this UX:
 - Two authenticated screens:
   - `Play` screen for character sheet and log
   - `Campaign Management` screen for campaign details and management actions
-- Character create/edit/activate
+- Character create/edit with picker-selected active context
 - Skill create/edit
 - Skill rolling with public/private visibility
 - Campaign log with live updates
@@ -135,7 +135,7 @@ Campaign details and management controls are excluded from this screen.
 3. Open `Campaign Management`
 4. Create campaign with ruleset
 5. Create or move character into campaign
-6. Activate character
+6. Select character in picker (selection becomes active context)
 7. Switch to `Play`
 8. Create skill
 9. Roll skill (public/private)
@@ -147,7 +147,7 @@ Campaign details and management controls are excluded from this screen.
 2. Open `Campaign Management`
 3. Select accessible campaign
 4. Create character in that campaign
-5. Activate character
+5. Select character in picker (selection becomes active context)
 6. Switch to `Play`
 7. Add or edit skills
 8. Roll and view log with visibility rules
@@ -235,12 +235,11 @@ Shows selected character details:
 - Character name
 - Owner
 - Campaign affiliation
-- Active badge if it matches session active character
+- Active badge shown for the currently selected picker character
 
 Actions:
 
 - `Edit Character` button -> opens modal form
-- `Activate Character` button (enabled only when permitted)
 
 ### Skills and Roll Commands
 
@@ -272,6 +271,7 @@ Shows chronological roll entries with:
 - Roller identity
 - Character + skill
 - Result and breakdown
+- Die-by-die visualization with states: `critical`, `fumble`, `wild`, `removed`, `added`
 - Visibility badge
 - Timestamp
 
@@ -339,7 +339,7 @@ Server error mapping:
 | `campaign_not_found`, `character_not_found`, `skill_not_found` | Non-blocking panel alert + auto-refresh relevant list |
 | `forbidden` | Explain permission rule and remove unavailable actions |
 | `unauthorized` | Clear session and return to auth view with message |
-| `no_active_character` | Show CTA to activate a character |
+| `no_active_character` | Prompt user to choose a character in picker and auto-sync active context |
 
 ## 11. Empty, Loading, and Disabled States
 
@@ -388,7 +388,6 @@ Loading patterns:
 - Use plain language and short action labels.
 - Keep critical actions explicit:
   - "Create Campaign"
-  - "Activate Character"
   - "Roll Skill"
 - Error tone: corrective and direct.
 - Date/time: local display with ISO tooltip.
@@ -412,7 +411,7 @@ Loading patterns:
 |---|---|
 | User management | Auth view with register/login/logout, secure failure messaging |
 | Campaign management | Dedicated `Campaign Management` screen with ruleset assignment and details |
-| Character management | Character picker + modal edit/create/activate flows |
+| Character management | Character picker + modal edit/create flows with selected-character active context |
 | Active character context | Persistent header context and activation CTA |
 | Skill management | Skill create/edit modals + ruleset-aware validation feedback |
 | Dice rolling | Visibility toggle + deterministic result display in `Play` screen |