infra: use python version from pyproject.toml

Makefile

@@ -6,7 +6,7 @@
 CORE_DIR = brain
 IMAGE_NAME = agent_media
 # renovate: datasource=docker depName=python
-PYTHON_VERSION = 3.12.7
+PYTHON_VERSION = $(shell grep "python" $(CORE_DIR)/pyproject.toml | head -n 1 | sed -E 's/.*[=<>^~"]+ *([0-9]+\.[0-9]+(\.[0-9]+)?).*/\1/')
 PYTHON_VERSION_SHORT = $(shell echo $(PYTHON_VERSION) | cut -d. -f1,2)
 # Change to 'uv' when ready.
 RUNNER ?= poetry
@@ -45,7 +45,7 @@ T = \033[36m
 R = \033[0m
 
 # --- TARGETS ---
-.PHONY: add build build-test check-docker check-runner clean coverage down format help init-dotenv install install-hooks lint logs major minor patch prune ps restart run shell test up update _check_branch _ci-dump-config _ci-run-tests _push_tag
+.PHONY: add build build-test check-docker check-runner clean coverage down format help init-dotenv install install-hooks lint logs major minor patch prune ps python-version restart run shell test up update _check_branch _ci-dump-config _ci-run-tests _push_tag
 
 # Catch-all for args
 %:
@@ -207,6 +207,12 @@ ps: check-docker
 	@echo "$(T)📋 Container status:$(R)"
 	@$(COMPOSE_CMD) ps
 
+python-version:
+	@echo "🔍 Reading pyproject.toml..."
+	@echo "✅ Python version : $(PYTHON_VERSION)"
+	@echo "ℹ️  Sera utilisé pour : FROM python:$(PYTHON_VERSION)-slim"
+
+
 restart: check-docker
 	@echo "$(T)🔄 Restarting containers...$(R)"
 	$(COMPOSE_CMD) restart

brain/pyproject.toml

@@ -7,7 +7,7 @@ readme = "README.md"
 package-mode = false
 
 [tool.poetry.dependencies]
-python = "^3.12"
+python = "==3.12.3"
 python-dotenv = "^1.0.0"
 requests = "^2.32.5"
 fastapi = "^0.121.1"