Add Game Asset Preservation System Foundation

DATABASE SCHEMA:
+ GameAsset entity added to RR3DbContext
  - Asset identification (ID, type, filename)
  - EA CDN tracking (original URL, CDN path)
  - Local storage (path, size, SHA256)
  - Metadata (downloads, access count, timestamps)
  - Game-specific (carId, trackId, category)

FEATURES:
- Track all cached assets in database
- Store EA CDN URLs while available
- SHA256 integrity checking
- Access statistics
- Category organization
- Version tracking

PURPOSE:
Foundation for full asset caching system.
Next step: AssetsController with EA CDN proxying.

STORAGE STRUCTURE:
wwwroot/assets/
├── cars/
├── tracks/
├── textures/
├── audio/
├── models/
└── misc/

PRESERVATION STRATEGY:
Phase 1 (EA online): Proxy + cache assets
Phase 2 (EA offline): Serve from cache
Result: Complete game preservation! 🎮💾

Package added: Microsoft.Extensions.Http (for CDN proxying)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

RR3CommunityServer/obj/Debug/net8.0/RR3CommunityServer.AssemblyInfo.cs

@@ -13,7 +13,7 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("RR3CommunityServer")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+934fa5152419080c5b5141b2593477e484c01afe")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+3970ecd9a37b28b51f913c1e0ab5a41f4a7c69d0")]
 [assembly: System.Reflection.AssemblyProductAttribute("RR3CommunityServer")]
 [assembly: System.Reflection.AssemblyTitleAttribute("RR3CommunityServer")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]

RR3CommunityServer/obj/Debug/net8.0/RR3CommunityServer.AssemblyInfoInputs.cache

@@ -1 +1 @@
-f4d6eeec5b393772c26779c58f4e77800d065ad7b123a1216eccd195e2af820c
+133ca57611eefc54a48542a5bc6d98ca7d6acefcee1728caab56f641f73cb701

RR3CommunityServer/obj/Debug/net8.0/RR3CommunityServer.csproj.CoreCompileInputs.cache

@@ -1 +1 @@
-6117c07d8c4cfa88581ba7fdf8679b0a47488ddca8a8c87acb69fd578c4799f9
+fe50ddb60c07c29bf4159a23313394974056ab007f5d6c419b430de758f05b72

RR3CommunityServer/obj/Debug/net8.0/RR3CommunityServer.csproj.FileListAbsolute.txt

@@ -139,3 +139,12 @@ E:\rr3\RR3CommunityServer\RR3CommunityServer\obj\Debug\net8.0\RR3CommunityServer
 E:\rr3\RR3CommunityServer\RR3CommunityServer\obj\Debug\net8.0\RR3CommunityServer.RazorAssemblyInfo.cs
 E:\rr3\RR3CommunityServer\RR3CommunityServer\bin\Debug\net8.0\RR3CommunityServer.staticwebassets.runtime.json
 E:\rr3\RR3CommunityServer\RR3CommunityServer\obj\Debug\net8.0\RR3CommunityServer.sourcelink.json
+E:\rr3\RR3CommunityServer\RR3CommunityServer\bin\Debug\net8.0\Microsoft.Extensions.Configuration.dll
+E:\rr3\RR3CommunityServer\RR3CommunityServer\bin\Debug\net8.0\Microsoft.Extensions.Configuration.Abstractions.dll
+E:\rr3\RR3CommunityServer\RR3CommunityServer\bin\Debug\net8.0\Microsoft.Extensions.Configuration.Binder.dll
+E:\rr3\RR3CommunityServer\RR3CommunityServer\bin\Debug\net8.0\Microsoft.Extensions.Diagnostics.dll
+E:\rr3\RR3CommunityServer\RR3CommunityServer\bin\Debug\net8.0\Microsoft.Extensions.Diagnostics.Abstractions.dll
+E:\rr3\RR3CommunityServer\RR3CommunityServer\bin\Debug\net8.0\Microsoft.Extensions.Http.dll
+E:\rr3\RR3CommunityServer\RR3CommunityServer\bin\Debug\net8.0\Microsoft.Extensions.Options.ConfigurationExtensions.dll
+E:\rr3\RR3CommunityServer\RR3CommunityServer\bin\Debug\net8.0\Microsoft.Extensions.Primitives.dll
+E:\rr3\RR3CommunityServer\RR3CommunityServer\bin\Debug\net8.0\System.Diagnostics.DiagnosticSource.dll

RR3CommunityServer/obj/Debug/net8.0/RR3CommunityServer.sourcelink.json

@@ -1 +1 @@
-{"documents":{"E:\\rr3\\RR3CommunityServer\\*":"https://raw.githubusercontent.com/ssfdre38/rr3-server/934fa5152419080c5b5141b2593477e484c01afe/*"}}
+{"documents":{"E:\\rr3\\RR3CommunityServer\\*":"https://raw.githubusercontent.com/ssfdre38/rr3-server/3970ecd9a37b28b51f913c1e0ab5a41f4a7c69d0/*"}}

RR3CommunityServer/obj/Debug/net8.0/rjsmcshtml.dswa.cache.json

@@ -1 +1 @@
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+{"GlobalPropertiesHash":"FVgSwAD+RSUSlX55EychRC3hFo+vn7vEvO4TyMJprcM=","FingerprintPatternsHash":"gq3WsqcKBUGTSNle7RKKyXRIwh7M8ccEqOqYvIzoM04=","PropertyOverridesHash":"8ZRc1sGeVrPBx4lD717BgRaQekyh78QKV9SKsdt638U=","InputHashes":["7Gcs8uTS1W2TjgmuuoBwaL/zy\u002B2wcKht3msEI7xtxEM=","XWz/ezyQ/zz6q7gqbUREA6BRKDpL7J8X2Ypj\u002B1WdnYY=","A3Op/M2RFQpYBjcrogPFz1XIhJgm4S0j42sTu7EvHxI=","hnhSRoeFpk3C6XWICUlX/lNip6TfbZWFYZv4weSCyrw=","EoVh8vBcGohUnEMEoZuTXrpZ9uBDHT19VmDHc/D\u002Bm0I=","IdEjAFCVk3xZYjiEMESONot/jkvTj/gnwS5nnpGaIMc=","JVRe\u002Be2d47FunIfxVYRpqRFtljZ8gqrK3xMRy6TCd\u002BQ=","DQG0T8n9f5ohwv9akihU55D4/3WR7\u002BlDnvkdsAHHSgc=","VxDQNRQXYUU41o9SG4HrkKWR59FJIv8lmnwBolB/wE0=","0qcd51IQrNKYL9233q2L9h8dLzPcor56mdtkcOdQWoI=","0Slg2/xnc5E9nXprYyph/57wQou\u002BhGSGgKchbo4aNOg=","s3aoiNP1MQgQRB\u002BVPitzH59upgaCzF\u002Bmb31uVs8G/eI=","T4Q5Djrj0xyEnesxWEjQ7iaKDb7sMWyGcOs\u002BFUrfZu8=","iwhciMceDYGWEDInLGhYMdHcWG826ConXi020\u002B5rawY=","uyvh3stjGDbFG\u002BpgTWJOhuOKd8owqZkvI8psvOWqsso=","H7pIhmEAeQaK0FIAJMM4lqts08H04IDYcy0aNxHdKHM=","\u002BlXcvLfSHF8FbrWk2UQSf\u002BodPwZSm4MA4RTIFOtI\u002BaY=","/s1pOdMacXOJO2AeBKr2KfMWu1ai23zb2OZjCcapnp8=","GjULPtWM/sIhYpay9w1EdBv4c4M6oJy183\u002B/zYiZTYc="],"CachedAssets":{},"CachedCopyCandidates":{}}

RR3CommunityServer/obj/Debug/net8.0/rjsmrazor.dswa.cache.json

@@ -1 +1 @@
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+{"GlobalPropertiesHash":"77IoXRXzqsXjiL49gpciOThHZJG/7UPKC1BPuiFQdlk=","FingerprintPatternsHash":"gq3WsqcKBUGTSNle7RKKyXRIwh7M8ccEqOqYvIzoM04=","PropertyOverridesHash":"8ZRc1sGeVrPBx4lD717BgRaQekyh78QKV9SKsdt638U=","InputHashes":["7Gcs8uTS1W2TjgmuuoBwaL/zy\u002B2wcKht3msEI7xtxEM=","XWz/ezyQ/zz6q7gqbUREA6BRKDpL7J8X2Ypj\u002B1WdnYY=","A3Op/M2RFQpYBjcrogPFz1XIhJgm4S0j42sTu7EvHxI=","hnhSRoeFpk3C6XWICUlX/lNip6TfbZWFYZv4weSCyrw=","EoVh8vBcGohUnEMEoZuTXrpZ9uBDHT19VmDHc/D\u002Bm0I=","IdEjAFCVk3xZYjiEMESONot/jkvTj/gnwS5nnpGaIMc=","JVRe\u002Be2d47FunIfxVYRpqRFtljZ8gqrK3xMRy6TCd\u002BQ=","DQG0T8n9f5ohwv9akihU55D4/3WR7\u002BlDnvkdsAHHSgc=","VxDQNRQXYUU41o9SG4HrkKWR59FJIv8lmnwBolB/wE0=","0qcd51IQrNKYL9233q2L9h8dLzPcor56mdtkcOdQWoI=","0Slg2/xnc5E9nXprYyph/57wQou\u002BhGSGgKchbo4aNOg=","s3aoiNP1MQgQRB\u002BVPitzH59upgaCzF\u002Bmb31uVs8G/eI=","T4Q5Djrj0xyEnesxWEjQ7iaKDb7sMWyGcOs\u002BFUrfZu8=","iwhciMceDYGWEDInLGhYMdHcWG826ConXi020\u002B5rawY=","uyvh3stjGDbFG\u002BpgTWJOhuOKd8owqZkvI8psvOWqsso=","H7pIhmEAeQaK0FIAJMM4lqts08H04IDYcy0aNxHdKHM=","\u002BlXcvLfSHF8FbrWk2UQSf\u002BodPwZSm4MA4RTIFOtI\u002BaY=","/s1pOdMacXOJO2AeBKr2KfMWu1ai23zb2OZjCcapnp8=","GjULPtWM/sIhYpay9w1EdBv4c4M6oJy183\u002B/zYiZTYc="],"CachedAssets":{},"CachedCopyCandidates":{}}