chore: detach pj_ported_plugins from build, document main as PR target

CLAUDE.md

@@ -76,6 +76,17 @@ CLAUDE.md -> relevant docs -> code
 
 Dependencies: Conan (`conanfile.txt`).
 
+## Branch Convention
+
+- PRs target **`main`** (`gh repo view --json defaultBranchRef`). There is no
+  `development` branch — earlier docs/state hints may say otherwise; they are
+  stale.
+- The official PlotJuggler plugin collection lives in a separate repo,
+  `pj-official-plugins` (not bundled here). If you see a local
+  `pj_ported_plugins/` directory inside this checkout, it's an external repo
+  you cloned for staging; this build system does not depend on or descend
+  into it.
+
 ## Pre-commit Validation
 
 Before committing, first check whether the code changes require documentation updates. If documentation is stale

CMakeLists.txt

@@ -23,7 +23,6 @@ option(
   ON
 )
 option(PJ_BUILD_DATASTORE "Build pj_datastore module (requires nanoarrow)" ON)
-option(PJ_BUILD_PORTED_PLUGINS "Build pj_ported_plugins (ported plugins collection)" ON)
 option(PJ_BUILD_TESTS "Build tests, benchmarks, and examples" ON)
 option(PJ_ENABLE_ABI_CHECK "Enable abidiff-based ABI drift gate (requires libabigail)" OFF)
 
@@ -176,11 +175,6 @@ if(PJ_BUILD_DATASTORE)
 endif()
 add_subdirectory(pj_plugins)
 
-if(PJ_BUILD_PORTED_PLUGINS AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/pj_ported_plugins/CMakeLists.txt")
-  set(PJ_HAS_PORTED_PLUGINS TRUE)
-  add_subdirectory(pj_ported_plugins)
-endif()
-
 # ---------------------------------------------------------------------------
 # plotjuggler_core package install
 #

build.sh

@@ -73,15 +73,6 @@ build_config() {
     -o "plotjuggler_core/*:with_parquet_example=True" \
     "${conan_extra[@]+"${conan_extra[@]}"}"
 
-  # Install dependencies from subdirectory conanfiles (e.g. pj_ported_plugins)
-  for sub_conan in "$SCRIPT_DIR"/pj_ported_plugins/conanfile.txt; do
-    if [[ -f "$sub_conan" ]]; then
-      echo "--- Installing deps from $(dirname "$sub_conan") ---"
-      conan install "$(dirname "$sub_conan")" --output-folder="$build_dir" --build=missing \
-        -s build_type="$build_type" -s compiler.cppstd=20 \
-        "${conan_extra[@]+"${conan_extra[@]}"}"
-    fi
-  done
   cmake -S "$SCRIPT_DIR" -B "$build_dir" \
     -DCMAKE_TOOLCHAIN_FILE="$build_dir/conan_toolchain.cmake" \
     -DCMAKE_BUILD_TYPE="$build_type" \

conanfile.py

@@ -121,7 +121,6 @@ def generate(self):
         tc.cache_variables["PJ_INSTALL_SDK"] = True
         tc.cache_variables["PJ_BUILD_DATASTORE"] = bool(self.options.with_datastore)
         tc.cache_variables["PJ_BUILD_TESTS"] = bool(self.options.with_tests)
-        tc.cache_variables["PJ_BUILD_PORTED_PLUGINS"] = False
         tc.cache_variables["PJ_BUILD_PARQUET_IMPORT_EXAMPLE"] = bool(
             self.options.with_parquet_example
         )