Add archify-vscode-ext skill: Archify diagrams and models for the Archify Diagram Viewer extension

Model tasks (validate, list, scaffold, resolve), diagram tasks (validate,
render), the bundled Archify 3.0.1 runtime and yaml parser under
scripts/vendor, references for authoring, formats and folders, and the
online-shop example model.

scripts/.scripts/model/lib/--env-vars-reader.sh

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+#!/bin/bash
+# -------------------------------------------------------------------------------------
+#   archify-vscode-ext Agent Skill (MIT)
+# -------------------------------------------------------------------------------------
+
+# CLI-only module: all input comes from flags. No environment variables are read.

scripts/.scripts/model/lib/--env-vars-validator.sh

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+#!/bin/bash
+# -------------------------------------------------------------------------------------
+#   archify-vscode-ext Agent Skill (MIT)
+# -------------------------------------------------------------------------------------
+
+# CLI-only module: nothing to validate.

scripts/.scripts/model/lib/--index-api.sh

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+#!/bin/bash
+# -------------------------------------------------------------------------------------
+#   archify-vscode-ext Agent Skill (MIT)
+# -------------------------------------------------------------------------------------
+
+. ./.scripts/model/lib/-node--run.sh
+. ./.scripts/model/lib/-model--validate.sh
+. ./.scripts/model/lib/-model--list.sh
+. ./.scripts/model/lib/-model--scaffold.sh
+. ./.scripts/model/lib/-model--resolve.sh

scripts/.scripts/model/lib/--index.sh

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+#!/bin/bash
+# -------------------------------------------------------------------------------------
+#   archify-vscode-ext Agent Skill (MIT)
+# -------------------------------------------------------------------------------------
+. ./.scripts/loggers/lib/--index.sh
+#
+#       --> passed parameters are read & exported environment variables
+#
+. ./.scripts/model/lib/--env-vars-reader.sh
+#
+#       --> required environment variables are validated for existence
+#
+. ./.scripts/model/lib/--env-vars-validator.sh
+#
+#       --> available functions are imported/exported
+#
+. ./.scripts/model/lib/--index-api.sh

scripts/.scripts/model/lib/-model--list.sh

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+#!/bin/bash
+# -------------------------------------------------------------------------------------
+#   archify-vscode-ext Agent Skill (MIT)
+# -------------------------------------------------------------------------------------
+
+# Runs the "model-list" action of the Node CLI. Flags are forwarded unchanged.
+_model__model__list() {
+	_model__node__run --action model-list "$@"
+}

scripts/.scripts/model/lib/-model--resolve.sh

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+#!/bin/bash
+# -------------------------------------------------------------------------------------
+#   archify-vscode-ext Agent Skill (MIT)
+# -------------------------------------------------------------------------------------
+
+# Runs the "model-resolve" action of the Node CLI. Flags are forwarded unchanged.
+_model__model__resolve() {
+	_model__node__run --action model-resolve "$@"
+}

scripts/.scripts/model/lib/-model--scaffold.sh

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+#!/bin/bash
+# -------------------------------------------------------------------------------------
+#   archify-vscode-ext Agent Skill (MIT)
+# -------------------------------------------------------------------------------------
+
+# Runs the "model-scaffold" action of the Node CLI. Flags are forwarded unchanged.
+_model__model__scaffold() {
+	_model__node__run --action model-scaffold "$@"
+}

scripts/.scripts/model/lib/-model--validate.sh

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+#!/bin/bash
+# -------------------------------------------------------------------------------------
+#   archify-vscode-ext Agent Skill (MIT)
+# -------------------------------------------------------------------------------------
+
+# Runs the "model-validate" action of the Node CLI. Flags are forwarded unchanged.
+_model__model__validate() {
+	_model__node__run --action model-validate "$@"
+}

scripts/.scripts/model/lib/-node--run.sh

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+#!/bin/bash
+# -------------------------------------------------------------------------------------
+#   archify-vscode-ext Agent Skill (MIT)
+# -------------------------------------------------------------------------------------
+
+# Runs the Node action dispatcher (YAML to stdout, exit code = success).
+_model__node__run() {
+	node ./src/cli/commands.mjs "$@"
+}