adapters: add update methods for characters, weapons, and summons

Add updateCharacter(), updateSummon(), and updateWeapon() methods to
entity adapter. Each method uses PATCH and clears the entity cache
after successful update.

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

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

src/lib/api/adapters/entity.adapter.ts

@@ -548,6 +548,20 @@ export class EntityAdapter extends BaseAdapter {
 		})
 	}
 
+	/**
+	 * Updates an existing character record
+	 * Requires editor role (>= 7)
+	 */
+	async updateCharacter(id: string, payload: Partial<CreateCharacterPayload>): Promise<Character> {
+		const result = await this.request<Character>(`/characters/${id}`, {
+			method: 'PATCH',
+			body: { character: payload }
+		})
+		// Invalidate cache for this character
+		this.clearCache(`/characters/${id}`)
+		return result
+	}
+
 	/**
 	 * Triggers async image download for a character
 	 * Requires editor role (>= 7)
@@ -637,6 +651,20 @@ export class EntityAdapter extends BaseAdapter {
 		})
 	}
 
+	/**
+	 * Updates an existing summon record
+	 * Requires editor role (>= 7)
+	 */
+	async updateSummon(id: string, payload: Partial<CreateSummonPayload>): Promise<Summon> {
+		const result = await this.request<Summon>(`/summons/${id}`, {
+			method: 'PATCH',
+			body: { summon: payload }
+		})
+		// Invalidate cache for this summon
+		this.clearCache(`/summons/${id}`)
+		return result
+	}
+
 	/**
 	 * Triggers async image download for a summon
 	 * Requires editor role (>= 7)
@@ -726,6 +754,20 @@ export class EntityAdapter extends BaseAdapter {
 		})
 	}
 
+	/**
+	 * Updates an existing weapon record
+	 * Requires editor role (>= 7)
+	 */
+	async updateWeapon(id: string, payload: Partial<CreateWeaponPayload>): Promise<Weapon> {
+		const result = await this.request<Weapon>(`/weapons/${id}`, {
+			method: 'PATCH',
+			body: { weapon: payload }
+		})
+		// Invalidate cache for this weapon
+		this.clearCache(`/weapons/${id}`)
+		return result
+	}
+
 	/**
 	 * Triggers async image download for a weapon
 	 * Requires editor role (>= 7)