Update documentation: GAME_BRIEFING and skills.md

- Document all implemented hybrid skills
- Remove outdated NOT IMPLEMENTED for Invoker skills
- Document 5-tier talent tree structure
- Note removed skills (Scroll Crafting, Temporal Memory)

docs/GAME_BRIEFING.md

@@ -386,7 +386,7 @@ Attunements are class-like specializations that grant unique capabilities and sk
 
 ---
 
-#### 2. Invoker (Chest) ⚠️ Partially Implemented
+#### 2. Invoker (Chest) ✅ IMPLEMENTED
 
 | Property | Value |
 |----------|-------|
@@ -400,10 +400,13 @@ Attunements are class-like specializations that grant unique capabilities and sk
 - Form pacts with guardians
 - Access guardian powers
 - Elemental mastery through pacts
+- Invocation skill tree (T1-T5 with perk choices at L5/L10)
+- Pact Mastery skill tree (T1-T5)
+- Pact-Weaving hybrid skill (Invoker + Enchanter)
 
 **Skill Categories Unlocked:**
-- `invocation` - ⚠️ No skills defined
-- `pact` - ⚠️ No skills defined
+- `invocation` - ✅ Implemented (T1-T5 skill tree)
+- `pact` - ✅ Implemented (T1-T5 skill tree)
 
 ---
 
@@ -461,8 +464,8 @@ conversionRate = baseRate × 1.5^(level - 1)
 | `ascension` | Core | Insight, guardian damage |
 | `enchant` | Enchanter | Enchanting efficiency |
 | `effectResearch` | Enchanter | Unlock enchantment effects |
-| `invocation` | Invoker | ⚠️ Not implemented |
-| `pact` | Invoker | ⚠️ Not implemented |
+| `invocation` | Invoker | ✅ Implemented (T1-T5 skill tree) |
+| `pact` | Invoker | ✅ Implemented (T1-T5 skill tree) |
 | `fabrication` | Fabricator | Crafting speed |
 | `golemancy` | Fabricator | Golem control |
 | `craft` | Legacy | Basic crafting |
@@ -518,8 +521,8 @@ Tier 5: Mythic (multiplier ×10,000)
 | Efficient Enchant | 5 | Enchanter 2, Enchanting 3 | -5% capacity cost/level |
 | Disenchanting | 3 | Enchanter 1, Enchanting 2 | +20% mana recovery/level |
 | Enchant Speed | 5 | Enchanter 1, Enchanting 2 | -10% time/level |
-| Scroll Crafting | 3 | Enchanter 3, Enchanting 5 | ⚠️ Not implemented |
 | Essence Refining | 5 | Enchanter 2, Enchanting 4 | +10% effect power/level |
+| Effect Research (all) | 1 | Enchanter 1+ | Unlock enchantment effects (max:1, no evolution) |
 
 ### Golemancy Skills
 
@@ -533,6 +536,95 @@ Tier 5: Mythic (multiplier ×10,000)
 
 ---
 
+### Hybrid Skills
+
+Hybrid Skills are advanced skills that require two attunements and combine their powers.
+
+#### Pact-Weaving (Invoker + Enchanter)
+
+**Requirement:** Invoker 3 + Enchanter 3
+
+**Paths:**
+- **Path A: The Weaver** - Enhanced enchantment power through pact bonuses
+- **Path B: The Warp** - Unpredictable magic blending pacts and enchantments
+- **Path C: The World-Weaver** - Ultimate hybrid combining all powers
+
+**Talent Tree (5 Tiers):**
+| Tier | Effect |
+|------|--------|
+| 1 | +10% enchantment power when pact active |
+| 2 | +25% enchantment power when pact active |
+| 3 | Pact boons apply to enchanted equipment |
+| 4 | +50% enchantment power when pact active |
+| 5 | Elite Perk: World-Weaver (all pacts + enchants at max) |
+
+**Elite Perks (Choose at Tier 5):**
+- **Eternal Weave:** Enchantments persist through loops
+- **Pactbound Power:** All pact multipliers doubled for enchanted items
+- **Weaver's Boon:** 25% chance to double enchantment effect
+
+---
+
+#### Guardian Constructs (Fabricator + Invoker)
+
+**Requirement:** Fabricator 3 + Invoker 3
+
+**Paths:**
+- **Path A: The Architect** - Durable constructs with enhanced defenses
+- **Path B: The Monumentalist** - Massive single construct with supreme power
+- **Path C: The Eternal** - Constructs that never expire
+
+**Special Rules:**
+- Only **1 active at a time** (replaces golems)
+- **More durable** than golems (2x HP, 1.5x duration)
+- Uses both Earth and Pact mana for summoning
+
+**Talent Tree (5 Tiers):**
+| Tier | Effect |
+|------|--------|
+| 1 | +25% construct HP |
+| 2 | Construct lasts +2 floors |
+| 3 | Construct gains pact bonuses |
+| 4 | +50% construct damage |
+| 5 | Elite Perk: Eternal Construct |
+
+**Elite Perks (Choose at Tier 5):**
+- **Living Monument:** Construct HP +500%, never expires
+- **Guardian's Might:** Construct gains all pact multipliers
+- **Architect's Dream:** Can have 2 constructs (reduces HP by 50% each)
+
+---
+
+#### Enchanted Golemancy (Fabricator + Enchanter)
+
+**Requirement:** Fabricator 3 + Enchanter 3
+
+**Paths:**
+- **Path A: The Battle-Smith** - Combat-focused enchanted golems
+- **Path B: The Enchanter-Smith** - Golems with powerful enchantments
+- **Path C: The Spell-Smith** - Golems that cast elemental spells
+
+**Special Rules:**
+- Imbues golems with **elemental spell logic**
+- Golems gain spell abilities from enchantments
+- Combines golem durability with spell power
+
+**Talent Tree (5 Tiers):**
+| Tier | Effect |
+|------|--------|
+| 1 | Golems gain 1 spell slot |
+| 2 | +25% golem spell damage |
+| 3 | Golems gain 2 spell slots |
+| 4 | +50% golem spell damage |
+| 5 | Elite Perk: Spell-Smith |
+
+**Elite Perks (Choose at Tier 5):**
+- **Arcane Golem:** Golems cast spells at 3x speed
+- **Elemental Master:** Golem spells gain +100% elemental bonus
+- **Living Spellforge:** Golems create temporary enchantments
+
+---
+
 ## Equipment & Enchantment System
 
 ### Equipment Slots
@@ -911,10 +1003,12 @@ dps = (damage × castSpeed × attackSpeedMultiplier) / hour
 
 ### Missing Implementations
 
-1. **Invocation Skills** - Category defined but no skills
-2. **Pact Skills** - Category defined but no skills
-3. **Scroll Crafting** - Skill exists, no system
-4. **Field Repair** - Skill exists, no repair system
+1. **Field Repair** - Skill exists, no repair system
+
+### Removed Content
+
+1. **Scroll Crafting** - Removed (violates NO INSTANT FINISHING pillar)
+2. **Temporal Memory** - Removed (replaced by better mechanics)
 
 ### Balance Concerns