feat: Complete fleet — 94 skills across 10+ domains

Pulled ALL skills from 15 source repositories:
- anthropics/skills: 16 (docs, design, MCP, testing)
- obra/superpowers: 14 (TDD, debugging, agents, planning)
- coreyhaines31/marketingskills: 25 (marketing, CRO, SEO, growth)
- better-auth/skills: 5 (auth patterns)
- vercel-labs/agent-skills: 5 (React, design, Vercel)
- antfu/skills: 16 (Vue, Vite, Vitest, pnpm, Turborepo)
- Plus 13 individual skills from various repos

Mosaic Stack is not limited to coding — the Orchestrator and
subagents serve coding, business, design, marketing, writing,
logistics, analysis, and more.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

skills/docx/scripts/office/schemas/mce/mc.xsd

@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xsd:schema xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+	attributeFormDefault="unqualified" elementFormDefault="qualified"
+	targetNamespace="http://schemas.openxmlformats.org/markup-compatibility/2006"
+	xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+
+  <!--
+    This XSD is a modified version of the one found at:
+    https://github.com/plutext/docx4j/blob/master/xsd/mce/markup-compatibility-2006-MINIMAL.xsd
+
+    This XSD has 2 objectives:
+
+        1. round tripping @mc:Ignorable
+
+			<w:document
+			            xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+			            xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main"
+			            mc:Ignorable="w14 w15 wp14">
+
+        2. enabling AlternateContent to be manipulated in certain elements
+           (in the unusual case where the content model is xsd:any, it doesn't have to be explicitly added)
+
+		See further ECMA-376, 4th Edition, Office Open XML File Formats
+		Part 3 : Markup Compatibility and Extensibility
+   -->
+
+  <!--  Objective 1 -->
+  <xsd:attribute name="Ignorable" type="xsd:string" />
+
+  <!--  Objective 2 -->
+	<xsd:attribute name="MustUnderstand" type="xsd:string"  />
+	<xsd:attribute name="ProcessContent" type="xsd:string"  />
+
+<!-- An AlternateContent element shall contain one or more Choice child elements, optionally followed by a
+Fallback child element. If present, there shall be only one Fallback element, and it shall follow all Choice
+elements. -->
+	<xsd:element name="AlternateContent">
+		<xsd:complexType>
+			<xsd:sequence>
+				<xsd:element name="Choice" minOccurs="0" maxOccurs="unbounded">
+					<xsd:complexType>
+						<xsd:sequence>
+							<xsd:any minOccurs="0" maxOccurs="unbounded"
+								processContents="strict">
+							</xsd:any>
+						</xsd:sequence>
+						<xsd:attribute name="Requires" type="xsd:string" use="required" />
+						<xsd:attribute ref="mc:Ignorable" use="optional" />
+						<xsd:attribute ref="mc:MustUnderstand" use="optional" />
+						<xsd:attribute ref="mc:ProcessContent" use="optional" />
+					</xsd:complexType>
+				</xsd:element>
+				<xsd:element name="Fallback" minOccurs="0" maxOccurs="1">
+					<xsd:complexType>
+						<xsd:sequence>
+							<xsd:any minOccurs="0" maxOccurs="unbounded"
+								processContents="strict">
+							</xsd:any>
+						</xsd:sequence>
+						<xsd:attribute ref="mc:Ignorable" use="optional" />
+						<xsd:attribute ref="mc:MustUnderstand" use="optional" />
+						<xsd:attribute ref="mc:ProcessContent" use="optional" />
+					</xsd:complexType>
+				</xsd:element>
+			</xsd:sequence>
+			<!-- AlternateContent elements might include the attributes Ignorable,
+				MustUnderstand and ProcessContent described in this Part of ECMA-376. These
+				attributes’ qualified names shall be prefixed when associated with an AlternateContent
+				element. -->
+			<xsd:attribute ref="mc:Ignorable" use="optional" />
+			<xsd:attribute ref="mc:MustUnderstand" use="optional" />
+			<xsd:attribute ref="mc:ProcessContent" use="optional" />
+		</xsd:complexType>
+	</xsd:element>
+</xsd:schema>