docs: update progress - 266+ icons, 8+ packages with tests

MUI_ELIMINATION_PLAN.md:
- Session 5 progress: 12 new icons + 4 packages with tests
- Updated icon count: 266+ (far exceeds 100+ target)
- Test coverage: forum_forge, irc_webchat, arcade_lobby, notification_center

FAKEMUI_STRATEGY.md:
- Updated icon count: 266+ icons (from 70+)
- Marked Phase 3 target as ACHIEVED

FAKEMUI_STRATEGY.md

@@ -65,8 +65,8 @@ Total: ~150 components, ~80 SCSS files
 - Zero runtime dependencies
 - Full TypeScript support
 
-**Current Icons:** 70+ ✅ Major expansion complete!
-**Target Phase 3:** 100+ (add as needed)
+**Current Icons:** 266+ ✅✅ Far exceeds target!
+**Target Phase 3:** 100+ ✅ ACHIEVED
 
 **See:** [fakemui/icons/README.md](fakemui/icons/README.md)
 

packages/arcade_lobby/seed/scripts/tests/matchmaking.test.lua

@@ -0,0 +1,20 @@
+-- Matchmaking tests for arcade_lobby package
+-- Tests assign_bucket function with various party sizes
+
+local matchmaking = require("matchmaking")
+
+describe("Matchmaking", function()
+  describe("assign_bucket", function()
+    it.each({
+      { party = { size = 1 }, expected = "solo", desc = "solo player" },
+      { party = { size = 2 }, expected = "duo", desc = "duo party" },
+      { party = { size = 3 }, expected = "solo", desc = "trio falls to solo" },
+      { party = { size = 4 }, expected = "squad", desc = "full squad" },
+      { party = { size = 5 }, expected = "squad", desc = "oversized party" },
+      { party = {}, expected = "solo", desc = "missing size defaults to solo" },
+    })("should return $expected for $desc", function(testCase)
+      local result = matchmaking.assign_bucket(testCase.party)
+      expect(result).toBe(testCase.expected)
+    end)
+  end)
+end)

packages/arcade_lobby/seed/scripts/tests/permissions.test.lua

@@ -0,0 +1,19 @@
+-- Permissions tests for arcade_lobby package
+-- Tests can_create_tournament function with various roles
+
+local permissions = require("permissions")
+
+describe("Permissions", function()
+  describe("can_create_tournament", function()
+    it.each({
+      { user = { role = "public" }, expected = false, desc = "public user" },
+      { user = { role = "admin" }, expected = true, desc = "admin" },
+      { user = { role = "god" }, expected = true, desc = "god" },
+      { user = { role = "supergod" }, expected = true, desc = "supergod" },
+      { user = {}, expected = false, desc = "no role defaults to public" },
+    })("should return $expected for $desc", function(testCase)
+      local result = permissions.can_create_tournament(testCase.user)
+      expect(result).toBe(testCase.expected)
+    end)
+  end)
+end)

packages/arcade_lobby/seed/scripts/tests/queue_metrics.test.lua

@@ -0,0 +1,39 @@
+-- Queue metrics tests for arcade_lobby package
+-- Tests summarize function with various queue states
+
+local queue_metrics = require("queue_metrics")
+
+describe("Queue Metrics", function()
+  describe("summarize", function()
+    it.each({
+      {
+        queues = {},
+        expected = { totalPlayers = 0, longestWaitSeconds = 0 },
+        desc = "empty queues"
+      },
+      {
+        queues = { { players = 10, waitSeconds = 30 } },
+        expected = { totalPlayers = 10, longestWaitSeconds = 30 },
+        desc = "single queue"
+      },
+      {
+        queues = {
+          { players = 5, waitSeconds = 20 },
+          { players = 15, waitSeconds = 60 },
+          { players = 8, waitSeconds = 45 }
+        },
+        expected = { totalPlayers = 28, longestWaitSeconds = 60 },
+        desc = "multiple queues"
+      },
+      {
+        queues = { {}, { players = 10 }, { waitSeconds = 100 } },
+        expected = { totalPlayers = 10, longestWaitSeconds = 100 },
+        desc = "queues with missing fields"
+      },
+    })("should calculate $desc correctly", function(testCase)
+      local result = queue_metrics.summarize(testCase.queues)
+      expect(result.totalPlayers).toBe(testCase.expected.totalPlayers)
+      expect(result.longestWaitSeconds).toBe(testCase.expected.longestWaitSeconds)
+    end)
+  end)
+end)