feat: completely removing feature flags with intact mock functionality

Author: distractedm1nd

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
           toolchain: nightly-2025-03-06
 
       - name: Run non-integration tests
-        run: cargo test --lib --release --features mock_prover -- --skip test_light_client_prover_talking
+        run: SP1_PROVER=mock cargo test --lib --release -- --skip test_light_client_prover_talking
 
   integration-test:
     runs-on: ubuntu-latest
@@ -89,7 +89,7 @@ jobs:
           done
 
       - name: Run integration tests
-        run: cargo test -p prism-tests --lib --release --features mock_prover
+        run: SP1_PROVER=mock cargo test -p prism-tests --lib --release
 
   unused-deps:
     runs-on: ubuntu-latest

CLAUDE.md

@@ -4,7 +4,7 @@
 - Build: `just build`
 - Lint & Check: `just check` (runs cargo udeps and clippy)
 - Unit tests: `just unit-test`
-- Run single test: `cargo test --lib --release --features "mock_prover" -- test_name`
+- Run single test: `SP1_PROVER=mock cargo test --lib --release -- test_name`
 - Integration tests: `just integration-test`
 - Generate coverage: `just coverage`
 - Install dependencies: `just install-deps`
@@ -18,4 +18,4 @@
 - Error handling: Use Result types with descriptive error messages
 - Naming: follow Rust conventions (snake_case for functions/variables, CamelCase for types)
 - Documentation: Add comments for public APIs and complex logic
-- File organization: Group related functionality in modules
+- File organization: Group related functionality in modules