Add subspace-tv FastAPI service with Unraid deployment

Includes FastAPI application with device authentication, Docker configuration,
Bruno API tests, and git-based deployment scripts for Unraid.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

bruno/Config - Authorized Device.bru

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+meta {
+  name: Config - Authorized Device
+  type: http
+  seq: 2
+}
+
+get {
+  url: {{baseUrl}}/api/v1/config
+  body: none
+  auth: none
+}
+
+headers {
+  X-Password: 1
+}
+
+assert {
+  res.status: eq 200
+  res.body.authorized: eq true
+  res.body.config.url: isDefined
+  res.body.config.username: isDefined
+  res.body.config.password: isDefined
+}
+
+docs {
+  Get configuration for an authorized password.
+
+  This request uses password "1" which is in the authorized_devices.json list.
+  Expected response includes full configuration with url, username, and password.
+}

bruno/Config - Missing Header.bru

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+meta {
+  name: Config - Missing Header
+  type: http
+  seq: 4
+}
+
+get {
+  url: {{baseUrl}}/api/v1/config
+  body: none
+  auth: none
+}
+
+assert {
+  res.status: eq 400
+  res.body.detail: eq X-Password header is required
+}
+
+docs {
+  Attempt to get configuration without X-Password header.
+
+  This request intentionally omits the required X-Password header.
+  Expected response is 400 Bad Request with error message.
+}

bruno/Config - Unauthorized Device.bru

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+meta {
+  name: Config - Unauthorized Device
+  type: http
+  seq: 3
+}
+
+get {
+  url: {{baseUrl}}/api/v1/config
+  body: none
+  auth: none
+}
+
+headers {
+  X-Password: invalid-password
+}
+
+assert {
+  res.status: eq 200
+  res.body.authorized: eq false
+  res.body.config: isEmpty
+}
+
+docs {
+  Get configuration for an unauthorized password.
+
+  This request uses a password that is NOT in the authorized_devices.json list.
+  Expected response shows authorized: false with empty config object.
+}

bruno/Health Check.bru

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+meta {
+  name: Health Check
+  type: http
+  seq: 1
+}
+
+get {
+  url: {{baseUrl}}/health
+  body: none
+  auth: none
+}
+
+assert {
+  res.status: eq 200
+  res.body.status: eq healthy
+}
+
+docs {
+  Health check endpoint to verify service is running.
+}

bruno/bruno.json

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+{
+  "version": "1",
+  "name": "Subspace TV Config API",
+  "type": "collection"
+}

bruno/environments/Local.bru

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+vars {
+  baseUrl: http://localhost:8000
+}

bruno/environments/Production.bru

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+vars {
+  baseUrl: https://your-production-server.com:8000
+}