Python: Improved telemetry setup (#421)

* test with stack and simplified names

* quick demo of agent decorator

* moved builder to protocol to enhance functionality

* undid chatclientAgent -> agent rename

* one more

* reverted AIAgent rename

* final reverts

* fixed foundry import

* revert changes

* streamlined otel and fcc decorators

* cleanup of telemetry

* further refinement

* lots of updates

* fixed typing

* fix for mypy

* added input and output atttributes

* fix import

* initial work on baking in otel

* major update to telemetry

* final fixes after rename

* fix

* fix test

* updated tests

* fix for tests

* fixes for tests

* updated based on comments

* removed agent decorator

* fix for Python: ServiceResponseException when using multiple tools
Fixes #649

* addressed comments

* fix tests

* fix tests

* fix tools tests

* fix for conversation_id in assistants client

* fix responses test

* fix tests and mypy

* updated test

* foundry fix

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Co-authored-by: Chris <66376200+crickman@users.noreply.github.com>

python/samples/getting_started/telemetry/.env.example

@@ -1,5 +1,13 @@
-CONNECTION_STRING="..."
+# Connector environment variables
+# Foundry
+# see ../../../env.example for details
+# OpenAI
+# see ../../../env.example for details
+
+# Otel specific variables
+APPLICATION_INSIGHTS_CONNECTION_STRING="..."
+APPLICATION_INSIGHTS_LIVE_METRICS=true
 OTLP_ENDPOINT="http://localhost:4317/"
-AGENT_FRAMEWORK_GENAI_ENABLE_OTEL_DIAGNOSTICS=true
-AGENT_FRAMEWORK_GENAI_ENABLE_OTEL_DIAGNOSTICS_SENSITIVE=true
-AGENT_FRAMEWORK_WORKFLOW_ENABLE_OTEL_DIAGNOSTICS=true
+ENABLE_OTEL=true
+ENABLE_SENSITIVE_DATA=true
+WORKFLOW_ENABLE_OTEL=true