Feature/backend kick off

backend/.cursor/rules/run_pipelex.mdc

@@ -45,7 +45,7 @@ from pipelex.pipelex import Pipelex
 from pipelex.pipeline.execute import execute_pipeline
 from pipelex.core.stuffs.image_content import ImageContent
 
-from my_project.gantt.gantt_struct import GanttChart
+from lesson_forge.gantt.gantt_struct import GanttChart
 
 SAMPLE_NAME = "extract_gantt"
 IMAGE_URL = "assets/gantt/gantt_tree_house.png"

backend/.cursor/rules/write_pipelex.mdc

@@ -179,7 +179,7 @@ class Invoice(StructuredContent):
         return v
 ```
 
-**Location:** Create models in `my_project/some_domain/some_domain_struct.py`. Classes inheriting from `StructuredContent` are automatically discovered.
+**Location:** Create models in `lesson_forge/some_domain/some_domain_struct.py`. Classes inheriting from `StructuredContent` are automatically discovered.
 
 ### Decision Rules for Agents
 

backend/.env.example

@@ -0,0 +1 @@
+PIPELEX_INFERENCE_API_KEY=

backend/.gitignore

@@ -0,0 +1,33 @@
+
+# env
+.env
+
+# venv
+.venv
+venv/
+
+# reports
+reports/
+
+# pycache
+__pycache__
+
+# Python build artifacts
+build/*
+*.egg-info/
+dist/
+*.pyc
+
+# mypy
+.mypy_cache/
+
+# Ruff
+.ruff_cache/
+
+# Results
+results/
+
+# temps
+temp/
+pipelex_super.toml
+base_llm_deck.toml

backend/.pipelex/inference/backends.toml

@@ -0,0 +1,58 @@
+[pipelex_inference]
+endpoint = "https://inference.pipelex.com/v1"
+api_key = "${PIPELEX_INFERENCE_API_KEY}"
+
+[azure_openai]
+enabled = false
+endpoint = "${AZURE_API_BASE}"
+api_key = "${AZURE_API_KEY}"
+api_version = "${AZURE_API_VERSION}"
+
+[bedrock]
+enabled = false
+aws_region = "${AWS_REGION}"
+
+[google]
+enabled = false
+api_key = "${GOOGLE_API_KEY}"
+
+[vertexai]
+enabled = false
+gcp_project_id = "${GCP_PROJECT_ID}"
+gcp_location = "${GCP_LOCATION}"
+gcp_credentials_file_path = "${GCP_CREDENTIALS_FILE_PATH}"
+
+[openai]
+enabled = false
+api_key = "${OPENAI_API_KEY}"
+
+[anthropic]
+enabled = false
+api_key = "${ANTHROPIC_API_KEY}"
+claude_4_tokens_limit = 8192
+
+[mistral]
+enabled = false
+api_key = "${MISTRAL_API_KEY}"
+
+[xai]
+enabled = false
+endpoint = "https://api.x.ai/v1"
+api_key = "${XAI_API_KEY}"
+
+[ollama]
+enabled = false
+endpoint = "http://localhost:11434/v1"
+
+[blackboxai]
+enabled = false
+endpoint = "https://api.blackbox.ai/v1"
+api_key = "${BLACKBOX_API_KEY}"
+
+[fal]
+enabled = false
+api_key = "${FAL_API_KEY}"
+
+[internal] # software-only backend, runs internally, without AI
+enabled = true
+

backend/.pipelex/inference/backends/anthropic.toml

@@ -0,0 +1,88 @@
+################################################################################
+# Anthropic Backend Configuration
+################################################################################
+#
+# This file defines the model specifications for Anthropic Claude models.
+# It contains model definitions for various Claude language models
+# accessible through the Anthropic API.
+#
+# Configuration structure:
+# - Each model is defined in its own section with the model name as the header
+# - Headers with dots must be quoted (e.g., ["claude-3.5-sonnet"])
+# - Model costs are in USD per million tokens (input/output)
+#
+################################################################################
+
+################################################################################
+# MODEL DEFAULTS
+################################################################################
+
+[defaults]
+model_type = "llm"
+sdk = "anthropic"
+prompting_target = "anthropic"
+
+################################################################################
+# LANGUAGE MODELS
+################################################################################
+
+# --- Claude 3 Series ----------------------------------------------------------
+[claude-3-haiku]
+model_id = "claude-3-haiku-20240307"
+max_tokens = 4096
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+max_prompt_images = 100
+costs = { input = 0.25, output = 1.25 }
+
+[claude-3-opus]
+model_id = "claude-3-opus-20240229"
+max_tokens = 4096
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+max_prompt_images = 100
+costs = { input = 15.0, output = 75.0 }
+
+# --- Claude 3.7 Series --------------------------------------------------------
+["claude-3.7-sonnet"]
+model_id = "claude-3-7-sonnet-20250219"
+max_tokens = 8192
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+max_prompt_images = 100
+costs = { input = 3.0, output = 15.0 }
+
+# --- Claude 4 Series ----------------------------------------------------------
+[claude-4-sonnet]
+model_id = "claude-sonnet-4-20250514"
+max_tokens = 64000
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+max_prompt_images = 100
+costs = { input = 3.0, output = 15.0 }
+
+[claude-4-opus]
+model_id = "claude-opus-4-20250514"
+max_tokens = 32000
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+max_prompt_images = 100
+costs = { input = 3.0, output = 15.0 }
+
+# --- Claude 4.1 Series --------------------------------------------------------
+["claude-4.1-opus"]
+model_id = "claude-opus-4-1-20250805"
+max_tokens = 32000
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+max_prompt_images = 100
+costs = { input = 3.0, output = 15.0 }
+
+# --- Claude 4.5 Series --------------------------------------------------------
+["claude-4.5-sonnet"]
+model_id = "claude-sonnet-4-5-20250929"
+max_tokens = 64000
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+max_prompt_images = 100
+costs = { input = 3.0, output = 15.0 }

backend/.pipelex/inference/backends/azure_openai.toml

@@ -0,0 +1,98 @@
+################################################################################
+# Azure OpenAI Backend Configuration
+################################################################################
+#
+# This file defines the model specifications for Azure OpenAI models.
+# It contains model definitions for OpenAI models deployed on Azure
+# accessible through the Azure OpenAI API.
+#
+# Configuration structure:
+# - Each model is defined in its own section with the model name as the header
+# - Headers with dots must be quoted (e.g., ["gpt-4.1"])
+# - Model costs are in USD per million tokens (input/output)
+#
+################################################################################
+
+################################################################################
+# MODEL DEFAULTS
+################################################################################
+
+[defaults]
+model_type = "llm"
+sdk = "azure_openai"
+prompting_target = "openai"
+
+################################################################################
+# LANGUAGE MODELS
+################################################################################
+
+# --- GPT-4o Series ------------------------------------------------------------
+[gpt-4o]
+model_id = "gpt-4o-2024-11-20"
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+costs = { input = 2.5, output = 10.0 }
+
+[gpt-4o-mini]
+model_id = "gpt-4o-mini-2024-07-18"
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+costs = { input = 0.15, output = 0.6 }
+
+# --- GPT-4.1 Series -----------------------------------------------------------
+["gpt-4.1"]
+model_id = "gpt-4.1-2025-04-14"
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+costs = { input = 2, output = 8 }
+
+["gpt-4.1-mini"]
+model_id = "gpt-4.1-mini-2025-04-14"
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+costs = { input = 0.4, output = 1.6 }
+
+["gpt-4.1-nano"]
+model_id = "gpt-4.1-nano-2025-04-14"
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+costs = { input = 0.1, output = 0.4 }
+
+# --- o Series ----------------------------------------------------------------
+[o1-mini]
+model_id = "o1-mini-2024-09-12"
+inputs = ["text"]
+outputs = ["text", "structured"]
+costs = { input = 3.0, output = 12.0 }
+
+[o1]
+model_id = "o1-2024-12-17"
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+costs = { input = 15.0, output = 60.0 }
+
+[o3-mini]
+model_id = "o3-mini-2025-01-31"
+inputs = ["text"]
+outputs = ["text", "structured"]
+costs = { input = 1.1, output = 4.4 }
+
+# --- GPT-5 Series -------------------------------------------------------------
+[gpt-5-mini]
+model_id = "gpt-5-mini-2025-08-07"
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+costs = { input = 0.25, output = 2.0 }
+
+[gpt-5-nano]
+model_id = "gpt-5-nano-2025-08-07"
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+costs = { input = 0.05, output = 0.4 }
+
+[gpt-5-chat]
+model_id = "gpt-5-chat-2025-08-07"
+inputs = ["text", "images"]
+outputs = ["text", "structured"]
+costs = { input = 1.25, output = 10.0 }
+